Function safeParseJSON

safeParseJSON<T>(
jsonString: string,
typeGuard: (value: unknown) => value is T,
): null | T
Safely parses JSON string with type validation.
Type Parameters
- T
Parameters
- jsonString: string
  The JSON string to parse
- typeGuard: (value: unknown) => value is T
  Type guard function to validate the parsed value
Returns null | T
The parsed and validated value, or null if parsing/validation fails
Example
```
const jsonStr = '{"user_address": "0x123...", "identity": {}}';
const result = safeParseJSON(jsonStr, isAPIResponse);

if (result) {
  console.log('Parsed server output:', result.user_address);
} else {
  console.log('Invalid JSON or type mismatch');
}
```
- Defined in packages/vana-sdk/src/types/external-apis.ts:211