{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384839359",
    "entityType": "User",
    "nonce": "0xa0124a264a0820e0bcae9faa1b3be589953e97781404d2d950e6314b02f40e92",
    "signature": "0xf7504c84398339c2f439e00dfbe51309f270214ee37b5b730bc63e16e89822f339388a4ec8a11f90ed2ad7d002c902b724edb97f73ea13cef44cfefad5a36c4c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}