Extrinsic 99920-1

{
  "heartbeat": {
    "blockNumber": 99919,
    "sessionIndex": 1665,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x4e3eca4cf17f5a65943ea329bd370fbf739db622e484bbd184bf908f36da0a7aa5dc560e9b70afbefdc4ebd5a839f631f8b39f333366f8f6bee7354770c77a8c"
}