Extrinsic 74382-1

{
  "heartbeat": {
    "blockNumber": 74381,
    "sessionIndex": 1239,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x601ded6be16a0f4c601d6e2e1326dcaa9257a58c4ed3dad515cac33b7654561a4fca4542cb73ba162e1a7a692de2b0c6e0d17bb2028e6acf3058dcb4de8f6d8a"
}