Extrinsic 151962-1

{
  "heartbeat": {
    "blockNumber": 151961,
    "sessionIndex": 2532,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x762c7b36908242e7982c0b8888b538724700770743e6ee597a734e8504bf8e689b9f717951210f110122a264ead9e4e20a423a1d5b7827bf6a6c5c5affc86980"
}