Extrinsic 75162-1

{
  "heartbeat": {
    "blockNumber": 75162,
    "sessionIndex": 1252,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xe42d91bb3c89de36492ce5bc41705709870250b9618181abf81f667557ca1d793c7ba1a3f640d4a0c07c023ed774488a4a79d3ad6118617e2e5cf78a0f0d7e80"
}