Extrinsic 9247-1

{
  "heartbeat": {
    "blockNumber": 9245,
    "sessionIndex": 154,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x96044794e76726bd902c4b4e4431ef99e3bce644d5ede9e4c70537b2c4eeaa3d338b702023146b16ae39392702d96beee539312cb02e8683a1b6ba12605ec688"
}