Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGKmNLWQ/VH3dIuLS9ZxR5oQZEErrZKtEzS5tkkZAuxXH7EztjvZdaHiA4T… (844 chars)"
  }
}