基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 21b9f19e3f9507ee1a26d67758c29fbc78bcc7f7 OP_EQUALVERIFY OP_CHECKSIG
OP_0 84c66e781a0100b5795d16cb78c35bde16dd4cba