{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x826820fdc87a1f9884e445c43d7280bca416cb35b3d233edea8419b6788aa3d4",
    "signature": "0xc834cfc6c8d456c4ec01e056791b04306f678561409576206b7aa2a56db16aa56f8e2dd93992faf6ae5a2ee3c06b3b0a9a1a2b51148bed6b8538e7cfc98f54a71b",
    "signer": "0x101a0B7DCdaA192d9B07322E13792e3d5Cba1634",
    "userId": "689010269"
  }
}