{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x43b53b058118d38dace1215b767b12b1c59ad203037e594c127dbf56a6a8f0f6",
    "signature": "0xafcf10ad4ab4c1dc08e8d902b47c02842763322e7d46e8dfc182b01ab1a6b3d60e6ce817cb9c33d8823a3a99ad26730240577e99a98abe95845924b2068a65a51b",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}