{
  "$schema": "https://json-structure.org/v1/draft",
  "title": "Biconomy Supertransaction Structure",
  "description": "Conceptual structure of a Biconomy MEE supertransaction. A supertransaction is a multichain composable execution plan produced from one or more composeFlow instructions, signed once by the owner, and submitted via /v1/execute.",
  "type": "object",
  "properties": {
    "supertransaction": {
      "type": "object",
      "properties": {
        "mode": { "type": "string", "enum": ["smart-account", "eoa", "eoa-7702"] },
        "owner": { "type": "string", "description": "Owner EOA address" },
        "orchestrator": { "type": "string", "description": "MEE orchestrator account address" },
        "feeToken": { "type": "string", "description": "Token paying the MEE service fee, or null when sponsored" },
        "instructions": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "kind": {
                "type": "string",
                "enum": ["intent-simple", "intent", "intent-vault", "build", "build-raw", "build-ccip"]
              },
              "chainId": { "type": "integer" },
              "calls": { "type": "array", "items": { "type": "object" } },
              "constraints": { "type": "array", "items": { "type": "object" } }
            }
          }
        },
        "userOps": {
          "type": "array",
          "description": "ERC-4337 userOps emitted per chain.",
          "items": { "type": "object" }
        },
        "signatures": {
          "type": "array",
          "description": "Owner signatures over each payloadToSign returned by /v1/quote.",
          "items": { "type": "object" }
        }
      }
    }
  }
}