sign: predecessor=ca_impl_eth_function.testnet, payload=Scalar(Uint(0xA6D002D589C772C127152DA9C9F80535205EFBE467F18D6113A7E8E22602BFAC)), path="bitcoin-1", key_version=0[58,135,64,189,231,45,59,235,187,145,3,136,215,238,120,137,147,147,252,234,159,228,122,139,207,219,151,79,37,133,79,172]