Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBap3w3wfPk8Rm6QRiTDCNKmWgFNJk6OlxiI1cf5T2RGUTxemWD1peKhAtp… (844 chars)"
  }
}