Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEo3ek4caO+aLVdqMUD1TOz4d3wQFKsC47gZEBUjkL2/hF+qsqPaKt5kjz3… (844 chars)"
  }
}