{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x26791025dddc6eaa28373c3c7666f07cf4d0649803a3d5ea1b9a6c4fecb31b73",
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}