Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGxv9wKdO2OtLGtopuDI3LwODBIFmcaWFCmQPHi7e1+U2CrItJSCpuXl8Y3… (844 chars)"
  }
}