{ "@context": { "@version": 1.1, "amplitude": "https://amplitude.com/schema/", "schema": "https://schema.org/", "dcterms": "http://purl.org/dc/terms/", "xsd": "http://www.w3.org/2001/XMLSchema#", "UserPropertyOperations": "amplitude:UserPropertyOperations", "Identification": "amplitude:Identification", "IdentifyResponse": "amplitude:IdentifyResponse", "IdentifyRequestForm": "amplitude:IdentifyRequestForm", "IdentifyRequestBody": "amplitude:IdentifyRequestBody", "$set": { "@id": "amplitude:$set", "@type": "@id" }, "$setOnce": { "@id": "amplitude:$setOnce", "@type": "@id" }, "$add": { "@id": "amplitude:$add", "@type": "@id" }, "$append": { "@id": "amplitude:$append", "@type": "@id" }, "$prepend": { "@id": "amplitude:$prepend", "@type": "@id" }, "$unset": { "@id": "amplitude:$unset", "@type": "@id" }, "$remove": { "@id": "amplitude:$remove", "@type": "@id" }, "userId": { "@id": "amplitude:user_id", "@type": "xsd:string" }, "deviceId": { "@id": "amplitude:device_id", "@type": "xsd:string" }, "userProperties": { "@id": "amplitude:user_properties", "@type": "xsd:string" }, "code": { "@id": "amplitude:code", "@type": "xsd:integer" }, "serverUploadTime": { "@id": "amplitude:server_upload_time", "@type": "xsd:integer" }, "eventsIngested": { "@id": "amplitude:events_ingested", "@type": "xsd:integer" }, "apiKey": { "@id": "amplitude:api_key", "@type": "xsd:string" }, "identification": { "@id": "amplitude:identification", "@container": "@set", "@type": "@id" } } }