Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFT1unWMC2LH5Kv6fYjr64Ujl6FPongGwo4uhwdPRB9WjQdGIBYJlsf1Cfc… (844 chars)"
  }
}