Extrinsic 125928-1

{
  "heartbeat": {
    "blockNumber": 125927,
    "sessionIndex": 2098,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xd8cb4991e58be9c72ca5d2b2a3508c3b10d92a8f1d8b3915e7f8e85fd8f8a0555d383847d1162b0a294bbbff8261b63c380b5df136e4c3e346bcaee2cdefc08f"
}