Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFi2+Qx7wFy1OsyJv4+oFWKfZUjl1surGmF7Ucgv0qqyRNWXW/YueKUHEby… (844 chars)"
  }
}