{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x56786c3d74e1c33c252bc0f0eb23905b160c9ce053467c915221f86a1a6bf6c7",
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}