Extrinsic 58666-1

{
  "heartbeat": {
    "blockNumber": 58665,
    "sessionIndex": 977,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x040156feb1c878cd23758386d08791404baa188ac738c79eabb85d0e85a2c5137162dc13d578f654bf67b095aaa122a4c05dcf0e3c3d79704207497720db5d83"
}