Extrinsic 87277-1

{
  "heartbeat": {
    "blockNumber": 87276,
    "sessionIndex": 1454,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xceed88436127b778927f1cba611872523eebaa676b73119a96219fccb1d5d17a42e77c4215a94832d35fe159aa82c0d1a65924fbdf4e4f1836d6b98b2c7c818b"
}