基本信息
witness_v0_keyhash
OP_0 21c84bf6c893c2f42e6931941019bc6f912a0c2a
pubkeyhash
OP_DUP OP_HASH160 748837cb7c8373bf9b9d806dd846bd01c73d5b0e OP_EQUALVERIFY OP_CHECKSIG