{
  "manageEntity": {
    "action": "Update",
    "entityId": "535114885",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7xjxmxzan5n3kbjbjw67yby7foin4jqxryzkfb2dxssa2a5zfi6a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":224995272},{\"type\":\"playlist\",\"playlist_id\":2138612568}]}}}",
    "nonce": "0xcf0796fdd38f4da324e8b3776d271b655650f6ca61114c933c694e5a90acac50",
    "signature": "0xe91cc4465baec3a9ae5ae2170517927b15bd65dd89ac1b7e5744e682baa494421abbf13a1d5fcb53c882fcf9ad90b709f13364eddee5aaaed6aee3968204e0a51b",
    "signer": "0x63edC0387E56cc53BB3367929E84b1c9168aF691",
    "userId": "535114885"
  }
}