{
  "manageEntity": {
    "action": "Update",
    "entityId": "936169398",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x090861847986bc662c5e3e8e28782ec9f626910466bff741fbd6566c85330167",
    "signature": "0x35057353aefb47baa14c2d3ddda7aeb72e60933a4eb6a81d1459b0db4169557905985faeb8584aba96921956e41aa21fd58ace67f6984599400a79592374c28b1b",
    "signer": "0x2Cf3a39A4Ba52d2E63E831AbEcaF6C2628690d44",
    "userId": "936169398"
  }
}