{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcebeeb9a5760ae80f7e72df4690760c0d8e0ecb540b8c1ebab2c1eac3c480121",
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}