Extrinsic 157963-1

{
  "heartbeat": {
    "blockNumber": 157962,
    "sessionIndex": 2632,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x6e9c13330dd06abe20fdf324125166f5ec3b717274c7a6f9cd285e29728af55b1c6d239e0d4b56bf1e11ed2c7c7e46d4afd56527825b79f4ff65b6cc0783928e"
}