How does reactions work?

[LIITLIIT]

Hi all

Can anyone help with an example of how I add a reaction to a post in a group?

In the following, "+451234" sent a message at time 1674467048218 to group "group.ABCDEF=" and my bot is "+459876".
I can send (and receive) messages to/from the group without any problems.

I've tried:

curl -X POST -H "Content-Type: application/json" 'http://localhost:8080/v1/reactions/+459876' -d '{"reaction": "👍", "recipient": "group.ABCDEF=", target_author: "+451234", timestamp: 1674467048218}'
curl -X POST -H "Content-Type: application/json" 'http://localhost:8080/v1/reactions/+459876' -d '{"reaction": "1", "recipient": "group.ABCDEF=", target_author: "+451234", timestamp: 1674467048218}'

I've also tried using the sourceUuid instead of the phone-number:

curl -X POST -H "Content-Type: application/json" 'http://localhost:8080/v1/reactions/+459876' -d '{"reaction": "👍", "recipient": "group.ABCDEF=", target_author: "5de94cc5-860f-4336-8b53-707000705090", timestamp: 1674467048218}'
curl -X POST -H "Content-Type: application/json" 'http://localhost:8080/v1/reactions/+459876' -d '{"reaction": "1", "recipient": "group.ABCDEF=", target_author: "5de94cc5-860f-4336-8b53-707000705090", timestamp: 1674467048218}'

Then I noticed the group having a different ID in the receive json: "QWERTY=", so I tried that:

curl -X POST -H "Content-Type: application/json" 'http://localhost:8080/v1/reactions/+459876' -d '{"reaction": "👍", "recipient": "group.QWERTY=", target_author: "+451234", timestamp: 1674467048218}'
curl -X POST -H "Content-Type: application/json" 'http://localhost:8080/v1/reactions/+459876' -d '{"reaction": "1", "recipient": "group.QWERTY=", target_author: "+451234", timestamp: 1674467048218}'
curl -X POST -H "Content-Type: application/json" 'http://localhost:8080/v1/reactions/+459876' -d '{"reaction": "👍", "recipient": "group.QWERTY=", target_author: "5de94cc5-860f-4336-8b53-707000705090", timestamp: 1674467048218}'
curl -X POST -H "Content-Type: application/json" 'http://localhost:8080/v1/reactions/+459876' -d '{"reaction": "1", "recipient": "group.QWERTY=", target_author: "5de94cc5-860f-4336-8b53-707000705090", timestamp: 1674467048218}'

All them result in:

{"error":"Couldn't process request - invalid request"}