{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15014",
    "entityType": "User",
    "nonce": "0x3ec856549246d065a2f0f8675a54aa332aa8b72ee246eabac8a4f843b4d40394",
    "signature": "0xcfd6f6b87f5b605257ed9d6b8d6bb6f8db98f849fbaf84e670003ccb1267bde652ea044825cb8425e738559f1b39b45527452b83c08ab35734af85cfaa269c391b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}