{
  "manageEntity": {
    "action": "Update",
    "entityId": "950478625",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraki4jhcwe2cwwbpf7e2s276ogd3xb5nljg36jqklliqlh3w47oola\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":113182155},{\"type\":\"playlist\",\"playlist_id\":662921546},{\"type\":\"playlist\",\"playlist_id\":466484827},{\"type\":\"playlist\",\"playlist_id\":403620592},{\"type\":\"playlist\",\"playlist_id\":1421480845},{\"type\":\"playlist\",\"playlist_id\":996004605},{\"type\":\"playlist\",\"playlist_id\":568764700},{\"type\":\"playlist\",\"playlist_id\":680277314},{\"type\":\"playlist\",\"playlist_id\":1478057671},{\"type\":\"playlist\",\"playlist_id\":941040339},{\"type\":\"playlist\",\"playlist_id\":693014951},{\"type\":\"playlist\",\"playlist_id\":31755126}]}}}",
    "nonce": "0x6551d23d59060be48a54ea6a8fa967b8fc400a726d596651b333313e2a3a475e",
    "signature": "0xc4112f0ec1cc21955d5774db4bb75bc7ad9ab9822597615c9c44dfafb50fbf475a5cdc558cfddc24ec85d67608a191f810c3291eb01e139711d3157aef0bd2711c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}