Extrinsic 31783-1

{
  "heartbeat": {
    "blockNumber": 31782,
    "sessionIndex": 529,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xeefe2e07cb9ec5b1a89d2c9d4863d2d3814a54a1254d969abfe8d040535ca4247f0d02a22d77968241e85ba18b5894d2238b15adcb6ea2debf41abbb102d1081"
}