Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBlCFDtOFp8cZVHAK8HMmHwzQggvLi9vDlfzX+8YXy+BknP7oBaXZVuN8tp… (844 chars)"
  }
}