{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "874277249",
    "entityType": "User",
    "nonce": "0x788d92bc844b6be482e0ab500e85c53986854caa73787da407c1ebc84de27868",
    "signature": "0x6da138e0035433a9c92fb94c67316efdf98ac7b8b45a88bc7550945a4e5d643d2acb42e7119435804f5ec6d2b277113b3586ad739544526b43419104c9ce1a5c1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}