{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://opensea.io/schemas/Contract",
  "title": "Contract",
  "type": "object",
  "properties": {
    "address": {
      "type": "string"
    },
    "chain": {
      "type": "string"
    }
  },
  "required": [
    "address",
    "chain"
  ]
}