{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x28b7c46c8cf8e71d2332169b7d7d513fa206fdd5045d41b4f1b179d6570686a1",
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}