{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xde25c52e15f22981ff1b089ebe7a36f981ba6ab8a7be42281ae6810f131415f5",
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}