Extrinsic 5919-1

{
  "heartbeat": {
    "blockNumber": 5918,
    "sessionIndex": 98,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x241a0241a5199b7c34267fdbf51a4b4842a47424db93e99d3f46310f1789cb341fac5da9c60aec7000b6dedc89d9a88d0644fe29842f5c76b158d66f4d144f84"
}