{ "domain": { "chainId": 1, "name": "Signed Ints test", "verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC", "version": "1" }, "message": { "neg256" : "-256", "pos256" : "256", "neg128" : "-128", "pos128" : "128", "neg64" : "-64", "pos64" : "64", "neg32" : "-32", "pos32" : "32", "neg16" : "-16", "pos16" : "16", "neg8" : "-8", "pos8" : "8" }, "primaryType": "Test", "types": { "EIP712Domain": [ { "name": "name", "type": "string" }, { "name": "version", "type": "string" }, { "name": "chainId", "type": "uint256" }, { "name": "verifyingContract", "type": "address" } ], "Test": [ { "name": "neg256", "type": "int256" }, { "name": "pos256", "type": "int256" }, { "name": "neg128", "type": "int128" }, { "name": "pos128", "type": "int128" }, { "name": "neg64", "type": "int64" }, { "name": "pos64", "type": "int64" }, { "name": "neg32", "type": "int32" }, { "name": "pos32", "type": "int32" }, { "name": "neg16", "type": "int16" }, { "name": "pos16", "type": "int16" }, { "name": "neg8", "type": "int8" }, { "name": "pos8", "type": "int8" } ] } }