{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcb1b2d89fca745355e23982a28a1154b8bfd21ba69e53c8540f806119c0e4de6",
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}