Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD0OsKCTvRHMRezPbQCV1W1R4+JqWmAQW+WhtthAl+uSUgGVNb/+QNzeo5/… (1,748 chars)"
  }
}