{
  "_comment": "DATI DIMOSTRATIVI FITTIZI. Negozi, marche, EAN e prezzi sono inventati e servono solo a provare l'interfaccia. Non usare in produzione.",
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    {"id": 1, "name": "DEMO — dati dimostrativi", "type": "manual", "url": null}
  ],
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    {"id": 2, "chain": "Supermercato DEMO Beta", "name": "Beta DEMO — Villafranca", "address": "Via Esempio 2 (indirizzo fittizio)", "city": "Villafranca Tirrena", "lat": 38.2520, "lng": 15.4350},
    {"id": 3, "chain": "Supermercato DEMO Gamma", "name": "Gamma DEMO — Messina nord", "address": "Via Esempio 3 (indirizzo fittizio)", "city": "Messina", "lat": 38.2650, "lng": 15.5000},
    {"id": 4, "chain": "Supermercato DEMO Delta", "name": "Delta DEMO — Milazzo", "address": "Via Esempio 4 (indirizzo fittizio)", "city": "Milazzo", "lat": 38.2200, "lng": 15.2400}
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