Parse stringified json string to object on Spring

Convert and parse stringified string json object to object on Spring:

import com.fasterxml.jackson.databind.ObjectMapper;
//rest of code
ObjectMapper mapper = new ObjectMapper();
Map<string, string> messageConverted = null;
try {
	messageConverted = mapper.readValue(message, Map.class);
} catch (IOException e) {
	messageConverted = null;
}