{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "747074",
    "entityType": "User",
    "nonce": "0x52dd536559d3b0f5fadf96affbeb73e4c204de3d5f1ce4f7ecf46d7f2156fe7f",
    "signature": "0x216710d2f7fd9af4d110d4afaa08e374cb33d5ef43e4b012b8fab0158e18c67c05253a85f4fcb052b5a81721a336a371552c8154c68b1e318f0aff9a9191d4b21c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}