Extrinsic 48400-1

{
  "heartbeat": {
    "blockNumber": 48398,
    "sessionIndex": 806,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x42874d417c002b049269a543cf5ce46ccad98493137de61c5637f21dddd3ea73426c0ebbec5857dc617d3ce06e5efa9cfe37077b869b1aca63b90549de281287"
}