Extrinsic 99738-1

{
  "heartbeat": {
    "blockNumber": 99737,
    "sessionIndex": 1662,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xf893d0a9b82265c7f2f7e50be0fcbac8c2f82e3d726cd2ca168a6d381d66845dc5f35e621615a6df757a1e5d1cfd42b823e63db474543902917d2684edc8ee8c"
}