exrsrv.tf

{
  "name": "setevmconfig",
  "base": "",
  "fields": [
    {
      "name": "stlos_contract",
      "type": "string"
    },
    {
      "name": "storage_key",
      "type": "checksum256"
    },
    {
      "name": "wtlos_index",
      "type": "uint64"
    }
  ]
}