{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x089b3536b41a40ccb54263e8ad511159626cfc7cd1274a1caa3fbc9d19dd4fa2",
    "signature": "0xee0e0fbad3c44270e2907c11d39301b12b2660ee05cb17008f4b3c4a11f5ebaa20725557a6eec9e527a2e072d92628b96847cf7229a5c9e5ed659018a9c7af491b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}