{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x350315dcaa41583e832de67e3f9ef81a038e1234f34899129cf9d152e578db18",
    "signature": "0xdd2534f7cb1e075e955dcf5f0ed8b441de27f763fcdd04b94b07b302ee0ecd4f558f6f3fa16f62977ad9ee7d6de2e4cc74450fa2bd26bd1670f814987ad68fb01b",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}