{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0e5c6c1f5f0e18ea935b8b323981e466ca6c50d0ad8c9ae92ee561f582e1cacc",
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}