Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDHJvATiXB/RUy37A8rOC61Qe+OJIut40pByxIgkZ3MZkJ+G+ONe1qkPOtc… (1,748 chars)"
  }
}