Extrinsic 40849-1

{
  "heartbeat": {
    "blockNumber": 40847,
    "sessionIndex": 680,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x0803d5ef63b432066914a6bddb4f5ea1b419bc5f7a6edff15a2a56a1883c8d6ddf97a39b51d1cfc00a375011de623c34fc33abee864fc55c9da626192c12c587"
}