{
  "manageEntity": {
    "action": "Save",
    "entityId": "743605868",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2244eaa15372534fee3d57f3b6de4fa9f4843f9fd745153d13bc6e30e5066d6e",
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}