Extrinsic 78460-1

{
  "heartbeat": {
    "blockNumber": 78459,
    "sessionIndex": 1307,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x7e0c3ef00c9328bd27688308c2055204cc9fe77e73868651cc57393fc42fe27832d1c85c103f9ce1f3e9f54b7d0b799194c540e05445754129ebeefc09e2f588"
}