基本信息
witness_v0_keyhash
OP_0 3a21e275d8118050cc7f085a68d63b7a85587bd5
pubkeyhash
OP_DUP OP_HASH160 7fa15261d1d322fbb56f48c71244627e1cca1d09 OP_EQUALVERIFY OP_CHECKSIG