Extrinsic 49128-1

{
  "heartbeat": {
    "blockNumber": 49127,
    "sessionIndex": 818,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x56ac85d89bd4d3f1fb04b6afdc8dfb83ea14d1b1d250ea2e4779f13224ba2276cb9387dc701a5b897620942f742e4ce401e52d71b86cf12da54cf6bcb6c29a89"
}