Function signSolanaTransaction

signSolanaTransaction(
options: SignSolanaTransactionOptions,
): Promise<SignSolanaTransactionResult>
Signs a Solana transaction.
Parameters
- options: SignSolanaTransactionOptions
  The options for the signing.
  
  Request parameters for signing a Solana transaction.
  - solanaAccount: SolanaAddress
    The Solana account to sign the transaction with.
  - transaction: string
    The base64 encoded transaction to sign.
Returns Promise<SignSolanaTransactionResult>
The result of the signing.
Example
```
const user = await getCurrentUser();
const solanaAccount = user?.solanaAccounts[0];

const result = await signSolanaTransaction({
  solanaAccount,
  transaction: "base64-encoded-transaction"
});
```