{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x5db67b27eddeeed510b6d4ffa9d22faf9b71a3444c8a9e8a3af71c46ed61ff83",
    "signature": "0xe73664f6e1ec7af66eaf77ad7614be98e22ce6e675023140b185284996a1cb207bc0ea5c81e501aab5b57f51debaea4c9de9518a2049690ec79d3f7d753158961c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}