{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x52f7ba7df668682f18115d3a2bfdb1399ab393b36764ec7f6e7a762f0e822332",
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}