Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB20tFp3elgoj5s0JChy+I1scgkUfgYFV4BaUXEOI3ZHWQwgGIoZKiMQe6/… (1,748 chars)"
  }
}