基本信息
witness_v0_keyhash
OP_0 a12f920b035787ee4b5dc6e934b3538689c3b6fe
pubkeyhash
OP_DUP OP_HASH160 af1f9924318fa31a71422ba0b7315d2562e3dfe6 OP_EQUALVERIFY OP_CHECKSIG