AI-generated Key Takeaways
- 
          SignedData is a wrapper message containing data and its signature. 
- 
          The JSON representation includes "data" and "signature" fields. 
- 
          Both "data" and "signature" are strings in bytes format, base64-encoded. 
The wrapper message of any data and its signature.
| JSON representation | 
|---|
| { "data": string, "signature": string } | 
| Fields | |
|---|---|
| data | 
 The data to be signed. A base64-encoded string. | 
| signature | 
 The signature of the data field. A base64-encoded string. |