{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1886983e402d2c4f79e54658b3e8a5b59b115b07f23904dcdac2f0fe38ff47b8",
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}