Extrinsic 89727-1

{
  "heartbeat": {
    "blockNumber": 89726,
    "sessionIndex": 1495,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x325358cb58033830a155cc19be1ba541ffd75f186f717041f74e763b6ea1d130899a1ff56ae9a65b417a0484bd8ab9ef5b6b20dd719614c9b02e24c4a656878c"
}