{
  "manageEntity": {
    "action": "Update",
    "entityId": "672251661",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierauzukj7ztps6f5w3fihk7insjoicgyciaslpwazxnu4y6rxoplqja\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1226788298},{\"type\":\"playlist\",\"playlist_id\":1404789603},{\"type\":\"playlist\",\"playlist_id\":1697319581},{\"type\":\"playlist\",\"playlist_id\":1193334047},{\"type\":\"playlist\",\"playlist_id\":430019647}]}}}",
    "nonce": "0xb4c8a40b84d1c4b1fe7a0adb718ed3916a19eb98f8bee3f3f49488e99d9ce787",
    "signature": "0xb74c2b8c27934b3edad392afcfc4bc6585f41d82709992503d052ac021c0e4984dc1e29c26627b39cb5f50db3d0f373842680a6dd19a01f08bee5cd6f4bb96501b",
    "signer": "0xC5Ee9a72D83C8Dae889645372774B75CB639c662",
    "userId": "672251661"
  }
}