Extrinsic 44492-1

{
  "heartbeat": {
    "blockNumber": 44490,
    "sessionIndex": 741,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x84b83937edfcc5fd80de8567572fc363a605de162153e30214fdd7fe0d6c51081c5ac1793cdd38d75e4cb8068a47277f42fede3002629bc819a41d007e1c298e"
}