{
  "manageEntity": {
    "action": "Update",
    "entityId": "636763468",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf0b2349e1291c2a75f4558d087c4b53dabb89af63e6d9d0c632406572140c8e9",
    "signature": "0xab2f8cf412af9e54cf6fb58fdf430585a2b41805506427d6cb2522aa01b4128339b1ff359eeeaba5a455779b53553f4042e039a69734127193dc6fe90b5b186c1c",
    "signer": "0x8FD6b4a8e927FD20f850aE4319D3b4005B1D9eA9",
    "userId": "636763468"
  }
}