{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa561361ac850d798547ed7b667c01e0bcdf87b9c18394f5866c8fa36b2f7c6b9",
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}