Extrinsic 11675-1

{
  "heartbeat": {
    "blockNumber": 11673,
    "sessionIndex": 194,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x60bc864e82f84e191a1cb8b6c015c030cb46f93046d3dd64faac2367a81f32673f2ab8cb317ff81cf04e88d8c4352294a19dc31a3a4407891bd90b485f728888"
}