- isEvmContract(x?): x is SchemaFields & object & { 
 address: string;
 block: number;
 chainId: number;
 code?: string;
 } & {
 schema: "network.xyo.evm.contract";
 }
- Returns x is SchemaFields & object & { 
 address: string;
 block: number;
 chainId: number;
 code?: string;
 } & {
 schema: "network.xyo.evm.contract";
 }
Identity function for EVM contract payload