curl --request PUT \
  --url https://api.formo.so/v0/contracts/{chain}/{address} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "address": "<string>",
  "chain": 123,
  "name": "<string>",
  "abi": "<string>",
  "events": [
    {}
  ],
  "start_block": 123
}
'

{
  "isSuccess": true,
  "data": {
    "name": "<string>",
    "chain": 123,
    "address": "<string>",
    "abi": "<string>",
    "events": [
      {
        "anonymous": true,
        "inputs": [
          {}
        ],
        "name": "<string>",
        "type": "<string>"
      }
    ],
    "start_block": 123
  }
}