{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9ba9b38b8acf6fc24ee117832ae95fc715767e3606072a9d1281e767fd4ce4ca",
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}