{
  "manageEntity": {
    "action": "Update",
    "entityId": "88788",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraatfdlakfkaicr3rabw4ybtaevrmun3lckzksroh7ca2p4yrfkcaq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":22665},{\"type\":\"playlist\",\"playlist_id\":23352},{\"type\":\"playlist\",\"playlist_id\":24267},{\"type\":\"playlist\",\"playlist_id\":22664},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdf21534309573b22125838248e8048dbf02a580acf5a31ec55cc1f74273155f3",
    "signature": "0x8d09829d40f557a1a88061e70069fa03898ca857e44cd941a1142bd58188a5b473a0d7785766a15f87f28d6c867e5746d106e9b26ef41d7c6fe1e48c211befc01c",
    "signer": "0xE5DbE6Dad42e6bdCa67eCD952F5d0a1d69fFCef5",
    "userId": "88788"
  }
}