{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7cd04010410315b63f919673cbc2467e1524476cf391e4282e72c6f92f0b0cd3",
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}