{
  "manageEntity": {
    "action": "Update",
    "entityId": "81039471",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x980636b2b5db6ea1c263916f5aedac38dcfdf53b55110a480039f03eb06dd555",
    "signature": "0x12b97f016f7adbc650a42ddf216fdfbc060506a899e3d13efa6915bd9b0bc1aa614c67f2a4299b2a9d3a6d3997b395aefe6f3cd1784bf70a422592586d9902db1c",
    "signer": "0x08Cb4a264810D320229f229688F558F5894fC448",
    "userId": "81039471"
  }
}