{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x1cb61001b574658a46b4e93f887f3ba96a6d45541b7cb72092726310ddda27e1",
    "signature": "0x37b49788ad40d93df8c7d27291b5df14e243c5c9e3dc0eb785fdaa3a8aa910ec22f2c2badfa05c8f6fc72c8708f960d2fcece5186a0fc5193b83ee138c3a71e11c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}