| # | Title | Name | Region | Comment | Date |
|---|---|---|---|---|---|
| 451 | Ms | Brigitte Macha | Germany | Hidden | Apr 01, 2019 |
| 452 | Ms. | Milena Batista | Brazil | N/G | Apr 01, 2019 |
| 453 | Ms | Melanie Stegaimer | Germany | Hidden | Apr 01, 2019 |
| 454 | Ms | Giorgia Pasquali | Italy | View | Apr 01, 2019 |
| 455 | Ms | Anonymous | Netherlands | View | Apr 01, 2019 |
| 456 | Ms | Sandra Silva | Portugal | N/G | Apr 01, 2019 |
| 457 | Ms | Katrin Haag-Lehmann | Germany | View | Apr 01, 2019 |
| 458 | Senhora | Carla Beltiane Jaco | Brazil | N/G | Apr 01, 2019 |
| 459 | Sra | Monique Santos | N/G | View | Apr 01, 2019 |
| 460 | Ms | Jéssica Morais | Cape Verde | View | Apr 01, 2019 |
| 461 | Miss | Poppy Seeley | UK | N/G | Apr 01, 2019 |
| 462 | Ms | Manon Barret | France | N/G | Apr 01, 2019 |
| 463 | N/G | Alexander Koch | N/G | View | Apr 01, 2019 |
| 464 | Carminho | Carminho Vasconcelos | Portugal | View | Apr 01, 2019 |
| 465 | N/G | Karey Silva | Portugal | N/G | Apr 01, 2019 |
| 466 | Dr. | Michael Haag | Germany | View | Apr 01, 2019 |
| 467 | Mr | Rubem Sousa | Brazil | View | Apr 01, 2019 |
| 468 | N/G | Marina Da Silveira | Brazil | View | Apr 01, 2019 |
| 469 | Mrs | Dani Santiago | Cape Verde | N/G | Apr 01, 2019 |
| 470 | mr | kamil nowak | Poland | N/G | Apr 01, 2019 |
| 471 | Miss | Anonymous | Netherlands | View | Apr 01, 2019 |
| 472 | MR | James Lewis | UK | View | Apr 01, 2019 |
| 473 | Ms | Anonymous | Netherlands | N/G | Apr 01, 2019 |
| 474 | Miss | Kim Henry | UK | N/G | Apr 01, 2019 |
| 475 | Mr | Anonymous | Netherlands | N/G | Apr 01, 2019 |
| 476 | Ms | Jennifer Simon | Germany | N/G | Apr 01, 2019 |
| 477 | mr | tim williams | UK | View | Apr 01, 2019 |
| 478 | Mr. | Thomas Polit | Germany | View | Apr 01, 2019 |
| 479 | Mrs | Christine Johannes | Germany | View | Apr 01, 2019 |
| 480 | N/G | Anonymous | Portugal | N/G | Apr 01, 2019 |
| 481 | N/G | Janaina Uchôa | Brazil | N/G | Apr 01, 2019 |
| 482 | Miss | Anonymous | UK | N/G | Apr 01, 2019 |
| 483 | Mrs | Alana Backeljauw | Belgium | View | Apr 01, 2019 |
| 484 | Mr | Alexandre Araújo | South America | N/G | Apr 01, 2019 |
| 485 | Mr | Paulo Lucas | France | N/G | Apr 01, 2019 |
| 486 | Mrs | Anonymous | Italy | View | Apr 01, 2019 |
| 487 | Ms | Aleksandra Vasconcelos | Brazil | N/G | Apr 01, 2019 |
| 488 | Ms. | Susanne Amand | Germany | N/G | Apr 01, 2019 |
| 489 | Ms | Anonymous | Belgium | Hidden | Apr 01, 2019 |
| 490 | Mr | Neil Parsons | UK | N/G | Apr 01, 2019 |
| 491 | Ms | Jacquie Cozens | Cape Verde | N/G | Apr 01, 2019 |
| 492 | Mr | Paulo Henrique | Brazil | View | Apr 01, 2019 |
| 493 | Mr | Anonymous | Portugal | N/G | Apr 01, 2019 |
| 494 | Eric Borghuis | Eric Borghuis | Netherlands | View | Apr 01, 2019 |
| 495 | N/G | Tiago Othin | Brazil | N/G | Apr 01, 2019 |
| 496 | Ana Paula Sampaio da Cruz | Ana Cruz | Brazil | View | Apr 01, 2019 |
| 497 | Mr | Jonathan Piludu | Cape Verde | N/G | Apr 01, 2019 |
| 498 | Mr | Yannick Ferreira | Cape Verde | N/G | Apr 01, 2019 |
| 499 | Grazielle | Costa Oliveira | Brazil | N/G | Apr 02, 2019 |
| 500 | Srta | Nice Nascimento | Brazil | View | Apr 02, 2019 |
- S/C/P - State, County or Province
- Dates displayed in the signature list are based on UTC/GMT
- Anonymous signatures signify people who have chosen not to display their names publicly
- A comment in gray indicates that the signer has hidden their comment from public view