createAccount() creates associated token accounts (ATAs), sets the Altude fee payer as their close authority, partially signs the transaction locally, and sends it to the relay.
Create the default token account
The default mint is USDC for the configured environment.
Create accounts for specific mints
You can also pass the signer as the second argument:
When account is provided, it must match signer.address. The user signs locally; never send a private key or mnemonic to the Altude API.
Compute budget options
The response contains the relay transaction Signature and may include Status and Message.