Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCDJzwIvF5Mrw3XzHKPECxf2M6r58GHcBiI0/e+eK7JiUrKbaCPgz8rgj+2… (1,748 chars)"
  }
}