{
  "manageEntity": {
    "action": "Update",
    "entityId": "798348033",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahsbooj6kmynzt3tytsvmk2qcb5p52gf4axgyapzg5dxbwiv7ch2a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1182833019},{\"type\":\"playlist\",\"playlist_id\":907647206},{\"type\":\"playlist\",\"playlist_id\":691605979},{\"type\":\"playlist\",\"playlist_id\":824258539}]}}}",
    "nonce": "0x1b790e6dced0ada10c33b81581f924032b371fdff75d1c24057c402749612cac",
    "signature": "0xc58ad2e7b967ea6015d24201a962b74d34c84ab15a59c7b17f327dfa4c0aae3e4c2f68fd2b32313af5a8b51b7539997371d179ed8615d7ce6775c001831cef981c",
    "signer": "0x019c1Ea6f901A4f7AeAa1daD2842a34Fdf9A9FB2",
    "userId": "798348033"
  }
}