{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x606946bc5f98b583a1e230d9fdaa4cf193f73b86e9dce4e8d18c9a1d94ec02a6",
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}