{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "891901255",
    "entityType": "User",
    "nonce": "0x5192a69ab3dd8f34abf8890635b304d7be950e725e8485bc6f6ea36a41d7cb3d",
    "signature": "0xb04c2aa628ff5f73700984c227cba6653450990f8723b9eb5a621ff2f99f9e022b825c129b5755d69575cb42ec94bd265fae2d94fc3be99efacc434df1f3f76d1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}