基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 21c68cea2a7a1e5bca778895859579c6b7b56d77 OP_EQUALVERIFY OP_CHECKSIG
OP_0 7776caef8a9cde8cf1f6d4e81c4df42f378fe5d2