Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFsj4GfA//9dW/4VvU6WRMxWBP2n/yVkngsvXyCEv1NtmUEZr9I14/T+BjB… (844 chars)"
  }
}