Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEoAmET0VmLzkTTOCUq6Xyq3c6A+8WJMV0PW81Rkr8VYgg2jn4muv/sxiyH… (844 chars)"
  }
}