基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 21f5203586691d28dd50de94e4c301b3550b9dd8 OP_EQUALVERIFY OP_CHECKSIG
OP_0 a7ca2bba2a2963fae70a1ab812a8ef84d703090e