{
  "manageEntity": {
    "action": "Update",
    "entityId": "328477297",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraa7ruivrgwdssz2obw73kyympbownkrnepvnxd7sdx6dxpbwobsdq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1507151491},{\"type\":\"playlist\",\"playlist_id\":668279588},{\"type\":\"playlist\",\"playlist_id\":1466220711},{\"type\":\"playlist\",\"playlist_id\":1741517301},{\"type\":\"playlist\",\"playlist_id\":1714120327},{\"type\":\"playlist\",\"playlist_id\":1324590382}]}}}",
    "nonce": "0xab3a74646fcf2baf95a5b6b203c02c58e3b7be9b5c54d62eb9b5867cf2a4e073",
    "signature": "0x1e96a2197b44879ce8d045ce28a406d9c46002721136d6b2c48e894a8207b7d92542e0e689008ac26ebc16a5842f5b4af6752da1dfbdeef1e99756acd4b3bc111b",
    "signer": "0x0Ab7f975193aC76cbb68EDD5263b8B03AE56c565",
    "userId": "328477297"
  }
}