Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHDtqBWu9Dr3MsaZFqDPIqf+2QYEQ3UQlU3CU3hlyQ+hWFqwo+zFhj/YVMS… (844 chars)"
  }
}