Extrinsic 135507-1

{
  "heartbeat": {
    "blockNumber": 135506,
    "sessionIndex": 2258,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2ef71fa40f45968a670a7ccd9323a49cce2898f1bbdf3e283c00924ddd75e56bee50eb11932d4a26ea8112da3518c477e4fc46ae78e7a4fcad77363f98582c88"
}