Extrinsic 28945-1

{
  "heartbeat": {
    "blockNumber": 28943,
    "sessionIndex": 482,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xd27280a272cce0f85ee4b9ec659737feba8006eaa05092be1ee7d5cade569863df233c113f0e951e76c023f9cf9bd4483189e9a2e976056724f8cc31d34eb78b"
}