Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBJMQFjWXvXVVF83DH7Fzqu8XpfqpAA8lBXgBdX4jSu3g8oguskK6y32vJ7… (844 chars)"
  }
}