Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEnEJvoZPIWeJOA3oD4QHABa+yoUEVApFgYMtn1KVBdqCX1dOa8Ew1oC1rx… (844 chars)"
  }
}