One of the keys used in this transaction is not valid.
[Error Code: 1006] invalid proposal key: public key 0 on account 8d0f8df62029f75a does not have a valid signature: [Error Code: 1008] invalid payload signature: public key 2 on account 0f9df91c9121c460 does not have a valid signature: [Error Code: 1202] account public key not found for address 0f9df91c9121c460 and key index 2