{"signStr":"{\"sender_address\":\"bc1p3yrpqqexm9ul3e7njyqtlyfva09r0s3swvlgvs9rngtwl72qwvys6gcfa7\",\"token1\":\"btc\",\"token2\":\"ddey\",\"token_type\":\"BRC20\"}","type":"ecdsa","from":"bc1p3yrpqqexm9ul3e7njyqtlyfva09r0s3swvlgvs9rngtwl72qwvys6gcfa7"}