{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://neynar.com/schemas/hub/MessageDataCommon",
  "title": "Hub MessageDataCommon",
  "description": "Common properties shared by all Farcaster message types. These properties provide essential metadata about the message's origin, timing, and network context.",
  "required": [
    "fid",
    "network",
    "timestamp"
  ],
  "type": "object",
  "properties": {
    "type": {
      "$ref": "#/components/schemas/MessageType"
    },
    "fid": {
      "title": "Farcaster ID of the user producing the message",
      "description": "The unique identifier (FID) of the user who created this message. FIDs are assigned sequentially when users register on the network and cannot be changed.",
      "type": "integer",
      "format": "uint64",
      "example": 2
    },
    "timestamp": {
      "description": "Seconds since Farcaster Epoch (2021-01-01T00:00:00Z). Used to order messages chronologically and determine the most recent state. Must be within 10 minutes of the current time when the message is created.",
      "type": "integer",
      "format": "int64",
      "example": 48994466
    },
    "network": {
      "$ref": "#/components/schemas/FarcasterNetwork"
    }
  }
}