Extrinsic 68801-1

{
  "heartbeat": {
    "blockNumber": 68800,
    "sessionIndex": 1146,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xccb3da955332fa7d2cc1a9c23b999deb7906991e408fce8aec74674879e31a1d17b7e2dd6318dc2ff8d5ddad9b6c23693d28d3b59f6e46b2135ac2ea4eb1e786"
}