Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEtC19sB2Igre0lwWkpLZSiMCdozwGXscTxkk2NVdD8bDMzOp+CJqFJGUxo… (844 chars)"
  }
}