{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78162",
    "entityType": "User",
    "nonce": "0xdae74a5172fa853a95aebfa53c7a06994d89cc50d35907adb3f652527b710a14",
    "signature": "0x31fc86a5c0e0ddf26e8799d1a82c9b312ff59b10c302228ec4639be2a2c1808850410e72d0177a52c5036ccc3a5f5def62bb4a94125f8ab7559648b5a5048ed91c",
    "signer": "0x6d6397f74d01E51Fc0C654f5703B972e7CF26876",
    "userId": "237542932"
  }
}