Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+KpzMtp7pPptu8pWRDGc+vEWqSFTS6w8gy+eTFWZHBCkN6GWaBNXrLnGL… (844 chars)"
  }
}