{
  "manageEntity": {
    "action": "Update",
    "entityId": "107839204",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6ca05cd6c6104533e83bb9b5a6b0504fb2aab68681f66387387b97877b6a55aa",
    "signature": "0x537b9f06026fd8770c2183e4eede65b8208240d7fedc06ecc9463a53fc9d93d446e75cd549e4bcb388046f532209e898ca2d45db3f7fe6cb9f7e9d1e0ae7329b1c",
    "signer": "0x1E1d3E04188D953f557ECF4E23e1460BdEE5fD35",
    "userId": "107839204"
  }
}