{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x40cc0a1f0933c429b7d516019c9b1a88e72a2c2c8b52270678c0bd60c2a06cea",
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}