Extrinsic 99645-1

{
  "heartbeat": {
    "blockNumber": 99643,
    "sessionIndex": 1660,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x98e0d0ef229330158afae4c04a1f607d5914324f7a212cfe39124ee0f218ba519e42f4073e8381cd46e4378a6003788c16e94d06f09c513fb5d9887b19e00683"
}