基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 bc21e0c9caf4b345a87f65b3bab1faf0f1bff20b OP_EQUALVERIFY OP_CHECKSIG
OP_0 a8b48257b70a48a15a298966c7570bdcf125b642