[
"Echo of the Exaverse",
"Dual-channel portal that rewards accurate resonance alignment with symmetric 50/50 odds.",
"0x976C214741b4657bd99DFD38a5c0E3ac5C99D903",
"50",
"1000000000000000000",
"1",
[
[
"Harmonic Echo",
"Your selected frequency stabilizes the portal and doubles the stake.",
"5000",
"20000",
"1"
],
[
"Inverted Echo",
"The opposing resonance emerges, rewarding players aligned to the alternate channel.",
"5000",
"20000",
"2"
]
],
[
[
"Luminous Channel",
"Attune to the radiant, high-frequency echo."
],
[
"Obsidian Channel",
"Embrace the inverse echo that pulses from the void."
]
]
]
Signature: create_machine(string,string,address,uint16,uint256,uint8,(string,string,uint16,uint64,uint16)[],(string,string)[])