Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA7ztKRA9g0FpvyFIF/qPH3SnrT4xi7WfRwCjddeJAzJFzFPucnTv+Fkclw… (844 chars)"
  }
}