{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x28dd7539d3e368a84e537ac74ba845af3e3b0fbf681588f9f315e513ab95e17e",
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}