channels[]. Body: user_id, subject, body. Returns 202 (async delivery).notifications:send.Authorization: ********************curl --location '/v1/admin/messages' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"property1": "string",
"property2": "string"
}'{
"type": "string",
"title": "string",
"status": 0,
"detail": "string",
"code": "string"
}