Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBQO4SY6fqcBY6kgtVg1Zl3yAiBk+oDZjjpuH8CRYo7Lmu8ebK6OgC//6u7… (844 chars)"
  }
}