{
  "manageEntity": {
    "action": "Update",
    "entityId": "105606965",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraksz2lelj6yzatksy6irtw26xmr2vcit6i76yh3rvqh7d3wesa6jq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":733789616},{\"type\":\"playlist\",\"playlist_id\":2088301971},{\"type\":\"playlist\",\"playlist_id\":1328938246},{\"type\":\"playlist\",\"playlist_id\":1376522244}]}}}",
    "nonce": "0x7893091241dcdbaa18b156775a335e6b60970b24bfbc55229f4e513f8b79147d",
    "signature": "0xfa2e4dad13c80c7ad098a6207a9471ced02c94baaa83d14bb413bf9198259262054a3cc8d145d97e08bb951df540c2c376dd283a728e1313baf18cd8501b47af1b",
    "signer": "0xD12bff0355c7503A3aC63D35B4ea27cd3D46F29d",
    "userId": "105606965"
  }
}