Extrinsic 7482-1

{
  "heartbeat": {
    "blockNumber": 7481,
    "sessionIndex": 124,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xe277c060da93e5d5c69f1ace0b4b3c60f469a0f3048daa7da7bd79017f5acf5829c2a09faa710d3d994f3e757fb18e9cad7e18eaa295782594830d074ac8538e"
}