Extrinsic 39682-1

{
  "heartbeat": {
    "blockNumber": 39680,
    "sessionIndex": 661,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xbe31c942ecf95836dc85d1e47dba1e28a66234ab17ab7b73b03df5b9b2126219fb2870f5bfe9a78b1b5fae19987e2e2175e45be363884b3b467a2ceaf395bc88"
}