{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbf6db28546bb41ed2d6f528e1980d632167998c29452f5eb1b7d98716a339b0f",
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}