{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4e062e89326741d83563dfc27d2cd8cbeae20d81815d21d12b9d6c188f455e2d",
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}