Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFkm5Mvu2pqjN7Rqt57uG7eXr+X1+J+hSWbKk8ov3U243oGcBEMRdj2okPs… (1,748 chars)"
  }
}