Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHhBL7p4s4jU2IUpKgbk5QNFB89eMWQze+U2Tyx0gRdMS3Cx7pVka9kQemh… (844 chars)"
  }
}