{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91323",
    "entityType": "User",
    "nonce": "0xa557d75776f42d6d78cd76e14e845d1a9ab4d342373f8d24650785882bc649e4",
    "signature": "0x5d55907fdec52fdf6147d19aaa6cfd6f82fc7aa6a3fda885a997c5c3b8b764835b5e86d6c66715318be79f74b49fcb203fc9a3627391f9b1c76e311537a604071b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}