{
  "manageEntity": {
    "action": "Update",
    "entityId": "7615",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazmzutpyw3iammgecfpqpfxmmvpyca4cdaqyo724gylvr5aslay6q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1376},{\"type\":\"playlist\",\"playlist_id\":36677},{\"type\":\"playlist\",\"playlist_id\":4246},{\"type\":\"playlist\",\"playlist_id\":112954},{\"type\":\"playlist\",\"playlist_id\":113870997},{\"type\":\"playlist\",\"playlist_id\":1092712782}]}}}",
    "nonce": "0x5357a30ff5271df4bff44966239f219a8d5a72200eabf9b1100c53e9dc548813",
    "signature": "0xf1ee08b06d077223c18ba9074d5ead90d85de3449c73807d55ba6e3211a7eb033f82d1a617fa7f6524548a405ec28a2a188cde8ea041e6ffec9f3cf8e6a19d8d1c",
    "signer": "0x95787FDa3d0c92887a6588239488DFbC87c0a71B",
    "userId": "7615"
  }
}