curl --request POST \
  --url http://localhost:4040/tx/game/{txType} \
  --header 'Content-Type: application/json' \
  --data '{
  "personaTag": "CoolMage",
  "namespace": "agar-shooter",
  "timestamp": 123,
  "signature": "<string>",
  "body": {}
}'

{
  "txHash": "<string>",
  "tick": 123
}