Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF/onnXBWc81fOFVcR/NOLDhMvjYkj5VyZ5PbzNckKJsQq/tIaY/tSDKG/t… (844 chars)"
  }
}