Extrinsic 23493-1

{
  "heartbeat": {
    "blockNumber": 23492,
    "sessionIndex": 391,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x9065b4ab631b3474051d46bbd0f1069acb4c9fae3fbcb9d8d7a298f58a77953807fdffcbf8cbbf8d7bf82c05c577c7826f4aadd38689a37b67723d670ec7bf86"
}