Extrinsic 80556-1

{
  "heartbeat": {
    "blockNumber": 80554,
    "sessionIndex": 1342,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x9e4fddd0eb05379036cdcb790e2377234602fb60707e517bf09df8ce4e339d067d71f5214541aec0d539c4b3d30467d3b422a6bfef36f7e7ed425c0736f78481"
}