{
  "manageEntity": {
    "action": "Update",
    "entityId": "824338411",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierax3tmxbb3wvw3lbcbh7pdagv4ytcq7kpgkuflg22cwkj4bj37sdua\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":706645259}]}}}",
    "nonce": "0xf88dd287348d3be7d1d8d53562ea572f01cfae515b4650c362f1b43731975146",
    "signature": "0xb7d3b2e3d82952a95c67c1ff70c6663dfe019681c0a1644a6bee539507e3e738219ada297f70ff1dffc57c63067e4dfc29c4d855321bfcb7ded3137b8188055d1c",
    "signer": "0x71CF13A0272e099ad4E22F4074EdB9Fd3b7be7b6",
    "userId": "824338411"
  }
}