基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 ffa4fcf74bd44ab427b548b546d4cadf6c17a2a4 OP_EQUALVERIFY OP_CHECKSIG
OP_0 7cac43a8f6af6ebfade004f4036c3f3c8cba6fd4