Extrinsic 128568-1

{
  "heartbeat": {
    "blockNumber": 128567,
    "sessionIndex": 2142,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x20cbc781697561b479aa25baddd12deaab4c0c426fbf615b950a94b4d7914e787e2dc9408bbf82f1bc0dd32b5e2cb0ca264e22bc8ccc1eead57c9c4158af3283"
}