基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 912a74d160b06a682c81108a2563d04c63207bac OP_EQUALVERIFY OP_CHECKSIG
OP_0 4c8949d14b64216e63edae29c9e9ea2f86e73d80