Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCGJ+ev7oF9VUJQCVmtd0iTDHNjEGD5aS83M+Wwp4tvK2Bs0c/Egm2kDNHX… (844 chars)"
  }
}