{"type":"object","properties":{"tokens":{"type":"string","description":"Comma-separated list of 1 to 50 Base ERC-20 token addresses","examples":["0x940181a94A35A4569E4529A3CDfB74e38FD98631,0x4200000000000000000000000000000000000006"]},"chain":{"type":"string","const":"base","default":"base"}},"required":["tokens"]}