{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1713713",
    "entityType": "User",
    "nonce": "0x75c59fa96ce158062b0a8ce77356638b21d114feb4bf01d6de534d47b92c9b86",
    "signature": "0xe29c7959c3ed52ead4976026c240f0b42630701397aa9818b815fc03a05057d737b9ef9839327230c122ba3cde0120b3de7a0ab6b8444e5ff89073f878c305ec1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}