POST /v1/functions/{functionId}/executions HTTP/1.1
Host: HOSTNAME
Content-Type: application/json
X-Appwrite-Response-Format: 1.0.0
X-Appwrite-Project: 5df5acd0d48c2
X-Appwrite-JWT: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ...

{
  "data": "[DATA]",
  "async": false
}