Extrinsic 17080-1

{
  "heartbeat": {
    "blockNumber": 17078,
    "sessionIndex": 284,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x24dfc2ac43f04c4c4901e000c6a068ad6dedcaed159e626971dceab431a0663b358a473b3db181133c9dc784fba2925a5983793f16c32c0860a221f7909b5282"
}