Extrinsic 104390-1

{
  "heartbeat": {
    "blockNumber": 104387,
    "sessionIndex": 1739,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x8aa670965cca15413d82a3f865ce66fe6a0c88f4ed157bc86474871123fbfa3861404eadb5a3bff44321a6b17962839d0e6d8ddcc82b7ea5cb512d0129e1978d"
}