Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGMbN75tnW5MMJT/axh9o4xKDUyX3dUceTWRXrWJWGwMFah/Owslq3GyU1F… (844 chars)"
  }
}