Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAuQ1eREtsEpBs6T5rDywzPH/ntbSRe8TxnUA4NQjBEAh0BNsvxV4Ut1z3v… (1,748 chars)"
  }
}