基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 21e6ab2cc3c2a615d045bcf21bd8d17b66a9bacc OP_EQUALVERIFY OP_CHECKSIG
OP_0 ff4cec2dbb1c4750540cf16109b4589516980fce