This transaction was not submitted because it was sent to the blockchain with a key that already has a pending transaction.
[Error Code: 1009] error caused by: 1 error occurred:
* transaction verification failed: [Error Code: 1006] invalid proposal key: public key 6 on account e2fcb04d6481ac51 does not have a valid signature: [Error Code: 1009] invalid envelope key: public key 6 on account e2fcb04d6481ac51 does not have a valid signature: signature is not valid