{
  "manageEntity": {
    "action": "Update",
    "entityId": "1779093",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4b5lhcazz7enr7czt35awdmrw2ukd65px25op3sbzkllt33mn3hq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":138236},{\"type\":\"playlist\",\"playlist_id\":743445298},{\"type\":\"playlist\",\"playlist_id\":1492137179},{\"type\":\"playlist\",\"playlist_id\":1683342524}]}}}",
    "nonce": "0x3daa0e4f7ced9cb1d905315e2fefe02f4e0319dd0d268262592c78f339c2dad9",
    "signature": "0xe855c60068159422ff7b8469cc44f2d7b1ae6ea8983f6c63ab81266bf79f95404338e75d74f05567c31c4388ab63adb8de392bed7bf45b95093b292b4ea6993d1b",
    "signer": "0x8b304c26B4E67938B65622946Ee1E6B88E5CE1c7",
    "userId": "1779093"
  }
}