{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x02bc501c9c011c866da76a3dde3ec93a47a97c5ae6b17568dd4e8fe673e6e40f",
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}