{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x46b6a3857c675fb580b33453086427fb270805aa02e4c0ec60360c86483446b3",
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}