{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x03512edb677f29082c47b907e7cd35c1632658ca15948c1f48207504aff3ecbd",
    "signature": "0x496d08807c7da5b0b42ce526bdbd5417c0912f73b78bdc78eeee098122ab40ac5316074e01e23068412a930123512d1a1a49f178dc2483cb0f89426e7859c9fe1c",
    "signer": "0x308a637b87f8a90B04C5Ec1180bd97Bc892D1DD7",
    "userId": "696559084"
  }
}