Format the presence events correctly for v2
Format the presence events correctly for v2

iot-factory/synapse,iot-factory/synapse,matrix-org/synapse,matrix-org/synapse,iot-factory/synapse,TribeMedia/synapse,TribeMedia/synapse,matrix-org/synapse,TribeMedia/synapse,iot-factory/synapse,TribeMedia/synapse,matrix-org/synapse,matrix-org/synapse,iot-factory/synapse,matrix-org/synapse,TribeMedia/synapse