{
  "type": "object",
  "title": "NetworkIdentifier",
  "description": "The network_identifier specifies which network a particular object is associated with.",
  "required": ["blockchain", "network"],
  "additionalProperties": false,
  "properties": {
    "blockchain": {
      "type": "string",
      "description": "Blockchain name"
    },
    "network": {
      "type": "string",
      "description": "If a blockchain has a specific chain-id or network identifier, it should go in this field. It is up to the client to determine which network-specific identifier is mainnet or testnet."
    },
    "sub_network_identifier": {
      "type": "object",
      "description": "In blockchains with sharded state, the SubNetworkIdentifier is required to query some object on a specific shard. This identifier is optional for all non-sharded blockchains.",
      "required": ["network"],
      "additionalProperties": false,
      "properties": {
        "network": {
          "type": "string",
          "description": "Network name"
        },
        "metadata": {
          "type": "object",
          "description": "Meta data from subnetwork identifier",
          "required": ["producer"],
          "properties": {
            "producer": {
              "type": "string",
              "description": "producer"
            }
          }
        }
      }
    }
  }
}