{
  "manageEntity": {
    "action": "Update",
    "entityId": "533673360",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe04ae8e2c736e87af0f0dcda74ab388473f92e031cca43b522bfb8f1f15a4cf8",
    "signature": "0x4e60f62da267adddc1bde6ed65e0b878c62fe347a49761b6d0ec899ef80ac61811d7eae822bf4718c0cf63ce51465f9772979ab7a22490e8df2d12e9169cc83d1c",
    "signer": "0xC4e201BEaDD3933E76e562c99f9F367Ced3f68d7",
    "userId": "533673360"
  }
}