Extrinsic 49638-1

{
  "heartbeat": {
    "blockNumber": 49636,
    "sessionIndex": 827,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xacf15e6addf42d30041c9b4389f5606edf5cab5049ad0a6cac6e77bb69540b33fd4d3d04dd1e32fdccf8c3cc9af53340c4e66a0d4aef81abf248ca5265672e82"
}