Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwJGKzFctpMwzyRW5t2MMYPgQCJrJwKtRxEufCJ7ACaX4WfM84Y9Lz+7LPHP… (844 chars)"
  }
}