{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x677488e25c45aa013e47ccb38f333ae46465dc61f5098e6f59885f398ad3fb6c",
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}