Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGW+5m2YZhvL8+crbmSlYNx7+EEY3Z4nOhGQ2AKhNLcVQn1AkI+KNUs+8zr… (844 chars)"
  }
}