String capabilitiesHash =
OperationUtil.getRequiredParameter(operation, ParamsProperty.CAPABILITIES_HASH);
RobotName robotName = RobotName.fromAddress(participant.getAddress());
ParticipantId robotAccountId = ParticipantId.ofUnsafe(robotName.toEmailAddress());
AccountData account;
try {
account = accountStore.getAccount(robotAccountId);
} catch (PersistenceException e) {
LOG.severe("Failed to retreive account data for " + robotAccountId, e);