{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x06347d6f6b9ea052fbd4d99f8ac6f8b7bb93a45e9b93cfcd613cdd850f4a3145",
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}