{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1087",
    "entityType": "User",
    "nonce": "0xfac98b4be6d0caa9d3067a3eb7fc9f90c54d6d43c2d20d33258b084dcb3ab460",
    "signature": "0x10b8c86dd8510393915d35a3f1bc32183afc0fabaaad3ef05a05fe14c6fd16b06c21f3d226927a73700c2c41f507a4a9df53180d6bf873c5490a338897ca549a1c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}