{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbbc2b72b4a2a9fcd66883ee84dcd6099840b79312a821732b9efbb85214d4f22",
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}