Extrinsic 107977-1

{
  "heartbeat": {
    "blockNumber": 107976,
    "sessionIndex": 1799,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x442bd48a4d8a5ef5f54f4865350f81b8e959008afc5b9322389057652e508f5cd74a6f34714ccd3a28d69bb419756e5fb99200aea4d221c29d8b3629bb583688"
}