POST
/data/entities/{entity_id}/chat/messages
curl \
--request POST 'http://api.example.com/data/entities/a24a6ea4-ce75-4665-a070-57453082c25/chat/messages' \
--header "Authorization: $API_KEY"
curl \
--request POST 'http://api.example.com/data/entities/a24a6ea4-ce75-4665-a070-57453082c25/chat/messages' \
--header "Authorization: $API_KEY"