基本信息
witness_v0_keyhash
OP_0 12b903a68f91e20cb557a1322f452b32d88a613e
pubkeyhash
OP_DUP OP_HASH160 b57a758592c9b09e00063260c946c1c3b1a8ce6a OP_EQUALVERIFY OP_CHECKSIG