基本信息
witness_v0_keyhash
OP_0 3a49caaffd22b53500d506509ab4e5ac5ffcc488
pubkeyhash
OP_DUP OP_HASH160 4db8a3a797699ce0bcd4e23455c38f6454c44be1 OP_EQUALVERIFY OP_CHECKSIG