基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 7ecad1d2ea331b7920e6d5f144c040207f1c5cd1 OP_EQUALVERIFY OP_CHECKSIG
OP_0 a2f4d8851c3a4102adb39ec12874968ce143748f