1  {
 2      "api_key": "",
 3      "tokens": [
 4          {
 5              "network": "opt-mainnet",
 6              "address": "0x4200000000000000000000000000000000000042",
 7              "symbol": "OP",
 8              "start_date": "2025-12-01",
 9              "end_date": "2025-12-31",
10              "interval": "1d"
11          },
12          {
13              "symbol": "BTC",
14              "start_date": "2025-11-01",
15              "interval": "1d"
16          },
17          {
18              "symbol": "SNT",
19              "interval": "1d"
20          }
21      ]
22  }