Extrinsic 108981-1

{
  "heartbeat": {
    "blockNumber": 108980,
    "sessionIndex": 1816,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x745ae66319d231d4c84428144f8460ee50ebe7674e6b79f27bbfcc133edeba20326c598733ca5bfd4e5748ac35405051f6c83afb17b3e6bae3460c16436e4c8f"
}