Extrinsic 78788-1

{
  "heartbeat": {
    "blockNumber": 78787,
    "sessionIndex": 1313,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x9e2885ca5b9c99589623ac239de23777cc84f908783b27f10c030e1868fd64000d345e5fedac558b2f4a638b2aea477158116fcc88a8096a7cccf22681c35581"
}