Extrinsic 83508-1

{
  "heartbeat": {
    "blockNumber": 83507,
    "sessionIndex": 1391,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x7ccf734cb252c518cbfbdd5fceaf140b310e7ec4ff897a67306fd21807671e19eb0a8edff63445d3d65c70f666745affdad0d321f557473f9857b38058eb3388"
}