Extrinsic 47318-1

{
  "heartbeat": {
    "blockNumber": 47317,
    "sessionIndex": 788,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xe42fda2894723b2753a4636c6131a6ee1f9b906ad0192caa73e0c559e51f720295a0d0192539c609ec7ac0023c9d908ca504404ea44d40e0d6b1941a8063908a"
}