{
  "manageEntity": {
    "action": "Update",
    "entityId": "705280327",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x706c7f63a5a733a170dab723ebf238a9ef93143d0f25ec7177b77612c61aaed2",
    "signature": "0x2895d4e323adb037141ec9aa5a3e9456d36532326c5651bd07a94ed7c98773b21b57fd2d3e01969b5857ce21177fa780308ff50103f4025a8b761fca5d2da0f71b",
    "signer": "0x0c8F5987B6aD7acB4F693DE929017e08B1512969",
    "userId": "705280327"
  }
}