{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1889",
    "entityType": "User",
    "nonce": "0xf222f86e1ddc00c35006935cfbd7c6108bcc82a9b404bacd99432165f3c39160",
    "signature": "0xfaea80cb7fc7afe2a791a1d8972f7048e1cf5a1b275e8ec164a7b0139d8ab85c4cc6454d1c727f6e070b9a3b6cdcb063be310d2f59811b85aab53c09580b68551b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}