{
  "manageEntity": {
    "action": "Update",
    "entityId": "942472671",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4zf3jwgochuqytcn4temm5uvma5pgdm7qixi6hmmhuh656w5t6bq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":671516587},{\"type\":\"playlist\",\"playlist_id\":1027034897},{\"type\":\"playlist\",\"playlist_id\":609928543},{\"type\":\"playlist\",\"playlist_id\":1397497802},{\"type\":\"playlist\",\"playlist_id\":1086633957},{\"type\":\"playlist\",\"playlist_id\":504914710},{\"type\":\"playlist\",\"playlist_id\":1554700388},{\"type\":\"playlist\",\"playlist_id\":1311407318},{\"type\":\"playlist\",\"playlist_id\":339704762}]}}}",
    "nonce": "0x1a6b3be39f74b6316d2a0b719240c4dd1f9fde24ce89b1c9182054d9379883ae",
    "signature": "0x157ecdc04c9afcd0a7ab1e47cfc24ff7f6017e5c1ad8b2b3e5e33e2843aa1e8a0aedfeffac3b0c38d5b9f54eb4b3be5f434a27010dced137cb00adb5937658c61c",
    "signer": "0x17452caeFF605201e85319e9D2ad5272c3F284Ee",
    "userId": "942472671"
  }
}