{
  "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": "0x374a870f254aca7d94ce088758fb69800359bc13dba98a210d74c0b8e7f137b6",
    "signature": "0xece51fb85c3b967a0f79db2ccfb0bf4aa64e5aa1ebc418a1602f7e710056e193794266ee45a49d144ed922aaa5935580c4213182287109370524b00c93aa5eed1b",
    "signer": "0xE5DbE6Dad42e6bdCa67eCD952F5d0a1d69fFCef5",
    "userId": "88788"
  }
}