{
  "manageEntity": {
    "action": "Update",
    "entityId": "172698192",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0c7aa320779eb5a5b04e3c8e746ccba70092b5fa4d7b75d7f862ff38af55a1ba",
    "signature": "0x915c4874fec47f16bd3ffee654cf8dd02a1c2328836aea31397ca58e4eb7bcb800553640f52bb59b3b5a801922e1e2d8ea240d0b851b2dac2d58908cefe9d8ca1b",
    "signer": "0x32DaED3944C2565D502Ab8c78a7f7781D376a95b",
    "userId": "172698192"
  }
}