{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186590",
    "entityType": "User",
    "nonce": "0x5cfecc42fbdf1ee77be6e03722bdc177cf6888bbff45d91a77cef59d02898e51",
    "signature": "0x0053f27a3f7d318888fe5751b3954abb3d11c00610eae7bcc432c4527050ac2a1f70cd5fad68ddcd741dd6b6248578272ccda94cfeede07b7f4abeef6fb552351b",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}