Información básica
witness_v0_keyhash
OP_0 b21064321e291f7dd2e11b409542c8c3bda7077e
pubkeyhash
OP_DUP OP_HASH160 a4eabaf0d0c610e3e03173a9f0d24e33f744612b OP_EQUALVERIFY OP_CHECKSIG