Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHPqCHJEoV7pyw4bfYgc/oQcq0xoXnZQaLPkP1VSqWGpAKYzUAKKAPYiGv/… (844 chars)"
  }
}