Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed:
error: invalid byte in hex string: 78
 --> 25ac4082e7213dd5a58991dd6b7017af47a47cfc7b9e30eaf66c9c845ad9533d:4:22
  |
4 |         let publicKey=key.decodeHex()
  |                       ^^^^^^^^^^^^^^^