Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD1znZNmt+YBmU1HV2U+mVX9exPE9IKT9MaCcTjHSHKFDwzffAJCGM0w/dD… (844 chars)"
  }
}