Start NATS srever with JetStream support:

nats-server -js

Fetch and publish blocks from Fuel Network. Use latest to start at the latest block height. Omit the parameter to start at the last block in the stream (which may be zero).

cargo run -- beta-5.fuel.network latest

Deploy and call a contract:

git clone https://github.com/lostman/fuel-counter
cd fuel-counter
make deploy && make call

Subscribe to NATS stream:

nats sub "receipts.*.*.counter.>" --last --headers-only
12:56:39 Subscribing to JetStream Stream holding messages with subject receipts.*.*.counter.> starting with the last message received
[#1] Received JetStream message: stream: fuel seq 8664 / subject: receipts.11330484.0x6dc4a9176a319bf20f35de5d6d817344351755163dbf1704400ba43f5e41d15f.counter.incr / time: 2024-05-03T12:55:27+02:00
Nats-Msg-Size: 8