Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCIR58+q6n9kVQveMNKh5aneQavJmA8E3JUULw3Fklf+Q9QvMxNfCaweQ4K… (844 chars)"
  }
}