Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed:
error: cannot deploy invalid contract
 --> 5343e0046c0520eed21c07282a6eca0b4c092c1361174068829a3d3ade8b22f7:4:3
  |
4 | 			signer.contracts.add(name: name, code: code.utf8 )
  | 			^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: mismatched types
   --> 7bdef6f9ace2326a.ExampleNFT:439:82
    |
439 |             let isValid = ExampleNFT.signValidation(ExampleNFT.Signer, signature, messageHash)
    |                                                                                   ^^^^^^^^^^^ expected `String`, got `[UInt8]`

error: missing argument label: `publicKey`
   --> 7bdef6f9ace2326a.ExampleNFT:439:52
    |
439 |             let isValid = ExampleNFT.signValidation(ExampleNFT.Signer, signature, messageHash)
    |                                                     ^^^^^^^^^^^^^^^^^

error: missing argument label: `signature`
   --> 7bdef6f9ace2326a.ExampleNFT:439:71
    |
439 |             let isValid = ExampleNFT.signValidation(ExampleNFT.Signer, signature, messageHash)
    |                                                                        ^^^^^^^^^

error: missing argument label: `message`
   --> 7bdef6f9ace2326a.ExampleNFT:439:82
    |
439 |             let isValid = ExampleNFT.signValidation(ExampleNFT.Signer, signature, messageHash)
    |                                                                                   ^^^^^^^^^^^