{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x838211df6c7460392cf3b6c6e2f1396f2aba24691dc3abb18492666520aab886",
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}