{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1264707",
    "entityType": "User",
    "nonce": "0xb7a66f88ab5eb40970ddcdb0e43e549d4e377db57d7dcef6a37cdf4c6d93493e",
    "signature": "0x748fc166cbd16e30baf2b8e12ae5f4a43b7c7df5d59ab9759e8a7db3487eb54d7f8bc5c9ee3b37cb5372d288d114409ce58523ad99d2bb7129ad162541d7b5331c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}