OptionalaccountLending account ID, distinct from the Stellar sequence. Prefer decimal strings; omit / 0 opens an account.
i128 decimal string in token base units; e.g. 1 token at 7 decimals is "10000000".
Token contract address (C...), including SAC addresses for classic assets.
Liquidity hub from the selected reserve; independent of its risk spoke.
Positive risk-spoke ID. Must match the existing account when topping up.
A hub/token coordinate with a token base-unit amount.