Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwExi3+BYLSrOV0Q7NqmY/SumF6S+tMwtsIBjS4Hj1x3umcFU+vPktcq/zqZ… (844 chars)"
  }
}