基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 21a2f3cd8a0f3d86dc89301bdd1cce08f7a479fc OP_EQUALVERIFY OP_CHECKSIG
OP_0 31e4cd06dcc47e395df89bfc913ba8e8f4504d7d