基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 bff449cad5f9646dc297929f47448f2d5cceeaec OP_EQUALVERIFY OP_CHECKSIG
OP_0 7bccf0a2e5a7db5619d7445c5653d9fc9ac25d5b