Function signMessage

signMessage(message, privateKey): Core.Ed25519SignatureHex
Function to sign a message with a private key.
Parameters
- message: Core.HexBlob
  The message to sign.
- privateKey: Core.Ed25519PrivateExtendedKeyHex | Core.Ed25519PrivateNormalKeyHex
  The private key to sign the message with.
Returns Core.Ed25519SignatureHex
The signature of the message.
- Defined in packages/blaze-core/dist/index.d.ts:303