Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCOiOJlEXigCyZ8KRPPwbvHFSpxqaWI/HD+3fI7D9WKMmRh2IzQx8DQqKBJ… (844 chars)"
  }
}