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: transaction verification failed: [Error Code: 1006] invalid proposal key: public key 0 on account cf99ac7bc594366c does not have a valid signature: [Error Code: 1009] invalid envelope key: public key 0 on account cf99ac7bc594366c does not have a valid signature: signature is not valid