Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGjKjDCq/W8d4ZzNKgcqFXH0daJGeOXYYUlvBHisNhZtHssXnE3nUVRwM71… (844 chars)"
  }
}