Token contract address
Token symbol (e.g., "USDT0", "USDC")
EIP-712 domain name for signing
EIP-712 domain version for signing
Number of decimal places
Token type for scheme selection
OptionaltransferAsset transfer method (default: inferred from tokenType)
OptionalsupportsWhether the token supports EIP-2612 permit()
Payment priority (lower = higher priority)
Token configuration with EIP-712 domain parameters