Extrinsic 76986-1

{
  "heartbeat": {
    "blockNumber": 76985,
    "sessionIndex": 1283,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x8a9b334833164523f87f54b52743c660033c70e1b04948e591b14d8e0e5bc25b49bdb444f98b0cd31557f42cf6bf7b13525c7b7689d6afbb031c65c823478481"
}