{
  "manageEntity": {
    "action": "Update",
    "entityId": "363053902",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5e1636ff58351161dedf99e4e231f3df1b28d018f502f92c7e3c2653a523a713",
    "signature": "0x62f2116ffd9bbbaff510762749eb0728394247c2dfe726d5bda37163630b77cd742df9466e690665d08082d75c5d9b664dc007a40265b777571611c805db0d621c",
    "signer": "0x7A4d69fD043239352142140B3861d9A9a89731Cc",
    "userId": "363053902"
  }
}