{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111234",
    "entityType": "User",
    "nonce": "0x065b08f21e141a09b0ea31457f0fc8d813d897c27d8bfafd987ac241acd4e339",
    "signature": "0x0b271baa0043dc35c782c598753973e61e42bea625ee33add6bcc8b703a9f6ae555436c4d8ff7ef1c948abdaa894f7e7d15bc85bb51e4588a890a425899eed141c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}