Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBTWOL0bwRVaXl/5J+CAIqR70ZPLiEL9Wfa3/O47IzxzxmFSRKV9ynoWq05… (844 chars)"
  }
}