{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x42c12bad16aa15ac27343b1db94fbd1c7c3df1d3b070cb3cf845d368807b07a1",
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}