Extrinsic 40896-2

{
  "heartbeat": {
    "blockNumber": 40895,
    "sessionIndex": 681,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x18eb025c15c1c480811ef7a5838b5bd72e96648a8c2baefda1e4806d63f5b12176bf8f76ba4fce44e63c8d99e8d6f2e61f1ef9d28644cf1de6531297ef696b89"
}