Extrinsic 70128-1

{
  "heartbeat": {
    "blockNumber": 70127,
    "sessionIndex": 1168,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x74b2b26f83a1f62937dd8ee3a727f9070bc9b2cadfb521c013d60beb48844e17756e103b54bf385d09f9cdcb3ae2a04fabeffe439cc7241305bcd73d2cee4686"
}