{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8e4c769176771a0b4c3d38df2b651e047da8206e31f664b29858b1cbef6f89d5",
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}