{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x2912475d7639d9c4cb5b40a57a713cb1e0772a73b9b578b738e335cc5eb3bab7",
    "signature": "0x88c8b952556825c5813b354ac684a594add5b50403eb65e7ed799770e2fb577a5655b8577c82b17f7a74873fb0c3ed109ea67273f26471a145f8b65ba5e1d0341c",
    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}