Extrinsic 64057-1

{
  "heartbeat": {
    "blockNumber": 64056,
    "sessionIndex": 1067,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa019d39f175e115c0d9c87d45551c05a1a1e0a5c2b73da5b2caed1f8ba0ec609e88c945ae4fa014a7247864a1dfd60fab20f1ef94e30eee493877e8d9a1ff282"
}