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The Bridge puts as many responses as in one message as possible (without changing the order of responses and respecting the maximal message size of the current Spreading Factor). If the responses do not fit into a single message it will upload as many messages as needed. When a single response is too long to fit in a message, the response will be split up over multiple messages and will need to be reassembled in the backend. See Splitmessages(Port5) for instructions on how to do that and how to prevent splitting.
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