{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe6a741dbfd6120a4f5451b6cc826e13cb1be45a591ce92a32f6321eb2c306e35",
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}