Extrinsic 68925-1

{
  "heartbeat": {
    "blockNumber": 68924,
    "sessionIndex": 1148,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x7c775f25199d1a9679cf3961fc9a9222783e31416fb74097ddc4433b5335de11f2fc3f207cd230ead1e40f6769f3fd40836dc54edb72d7fec3e694cb55979487"
}