curl --request POST \
  --url https://api.swarmd.ai/relay/v1/agents/{agentId}/a2a/0.3.0/message:send \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "messages": [
    {
      "role": "<string>",
      "content": "<string>"
    }
  ],
  "model": "<string>",
  "maxTokens": 123
}
'

{}