Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwIXjYSKhKV3PfCcjzl1yAuo87gYuB/HnCTVUvEcl5GN2W3RGpMkaeSczXyO… (844 chars)"
  }
}