Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE1qxCDh3XTq3fhgEku5J4Tqmx7X7O0CqeoZYnOS1NKTXpcT1rgWcwvc0Y/… (844 chars)"
  }
}