Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBWvoSfVmTaLV3M9Z4je1dWv+Mm0KS3Hq7sAng4YkRVYDthQYnjCixSp8x3… (844 chars)"
  }
}