{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3636",
    "entityType": "User",
    "nonce": "0xd6f2b2c4a15dd8293f9f1930299fbf6e68ad2cfc99bd1c9bb35b6c76c603361e",
    "signature": "0xae882842fcdedbb5eb0353bfd317d5bdbeeb23c3f71b4d0829148e2c641440611faf70063ddf0e06d8e3e9f64f763107c050a949ba582956968834d07936d99f1b",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}