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