Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBfdkXz8bwYVrbBXFODEyTfCDJzjqHE7eEivBx7fPA+yxwJz9d0OjsWwsbc… (1,748 chars)"
  }
}