{"category":[{"coding":[{"code":"Alert","system":"http://acme.org/messagetypes"}],"text":"Alert"}],"encounter":{"reference":"Encounter/example"},"id":"example","identifier":[{"system":"urn:oid:1.3.4.5.6.7","type":{"text":"Paging System"},"value":"2345678901"}],"instantiatesUri":["http://example.org/hyperkalemia"],"medium":[{"coding":[{"code":"WRITTEN","display":"written","system":"http://terminology.hl7.org/CodeSystem/v3-ParticipationMode"}],"text":"written"}],"partOf":[{"display":"Serum Potassium Observation"}],"payload":[{"contentCodeableConcept":{"text":"Patient 1 has a very high serum potassium value (7.2 mmol/L on 2014-Dec-12 at 5:55 pm)"}},{"contentReference":{"display":"Serum Potassium Observation"}}],"received":"2014-12-12T18:01:11-08:00","recipient":[{"reference":"Practitioner/example"}],"resourceType":"Communication","sender":{"reference":"Device/f001"},"sent":"2014-12-12T18:01:10-08:00","status":"completed","subject":{"reference":"Patient/example"},"text":{"div":"