Extrinsic 90977-1

{
  "heartbeat": {
    "blockNumber": 90976,
    "sessionIndex": 1516,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x249356b53e5c75675487f046025d1f9c5af9a459c7eb2bb5e9e6d2d80e8f6a573a4ba9c3a246b90f83e04b8fe72d3920c806d77f8c1dcc406f9f0637e2b71d8a"
}