{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297394",
    "entityType": "User",
    "nonce": "0xbcc6939f1bb97728939604450e061a4dddc0d6f9a0e21aac9b5d265959847066",
    "signature": "0xcac7a3c0c56dc7d4d12290be9a92d78315861b70ed0562583196989d8ba7df8c60565c35940cbe59d96992f75fddd65fb2cb6f8811d9464291a262551606ddc21c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}