[
  {
    "inputs": [
      { "internalType": "uint256", "name": "chains", "type": "uint256" },
      { "internalType": "address", "name": "to", "type": "address" }
    ],
    "name": "deposit",
    "outputs": [],
    "stateMutability": "payable",
    "type": "function"
  }
]