{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8af6545ee095a963bd64941d797e07a00e81e5ceffc47b3eaaf75921e642e8e2",
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}