{
  "manageEntity": {
    "action": "Update",
    "entityId": "1422295",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahy4k3qzqm7bkzmtdo7lgypt2luernohgxek7ei4zu4e4kddu2iea\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":137575},{\"type\":\"playlist\",\"playlist_id\":229304798},{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":115049},{\"type\":\"playlist\",\"playlist_id\":140250},{\"type\":\"playlist\",\"playlist_id\":284199604}]}}}",
    "nonce": "0xc6b9e304cf7aa9ce64392ca5af8f3a63bc5c4b1b0c3dde37682955a860533d38",
    "signature": "0xdee69fd9480eeebbf5bf7ec74e362590ee3616d6dbf3f9504ed382f31697d70e5ed94d12217a1f093a632d4f195c951cfd292f1b58d5c5b3713fc29a724fdd9c1c",
    "signer": "0x7FF24dfd471261490317851550Db9b8fab0c6df3",
    "userId": "1422295"
  }
}