{
  "manageEntity": {
    "action": "Save",
    "entityId": "665555769",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8bb955c6c9c4070777e45b4c6a4ef8edceb7314220260760e768ab1fdfaa8edd",
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}