基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 a8b9f3171aacf40204c5bcc3e3dc417c53e9d7d2 OP_EQUALVERIFY OP_CHECKSIG
OP_0 31aad4eeb85d1e0d6cee4a095691484c9d717e17