{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x94859e67128c60f7e892859391d5415a054a0dffe8a967a9f42bf9e2e6d1b055",
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}