{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xf8d22587faa0b6fc53c4f7d43bab28944893870de53a5f81c5724cba613f5627",
    "signature": "0xb931349f76e69bd34003d9c91950010363cf632cb3e64f913d1bfc1f3998cae93064c71fc9515e5a202bed6169715742b157bfbc90fbbf253518b686d08784201c",
    "signer": "0xd73F9f774E8Cb98420d8FC9BF898407AeE7cb1Fb",
    "userId": "280382514"
  }
}