Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC1r0fXyVk5rTowu7GYbp/Wf4EXedfH6PiY1HOXMLjPNyRN1xrJBoc6jq7q… (844 chars)"
  }
}