Extrinsic 77535-1

{
  "heartbeat": {
    "blockNumber": 77534,
    "sessionIndex": 1292,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd88e648d453a18896ac2a2214dab70a4f1ed52fdbe131512e2b09439248ea07c21ddc77122f8a5cb83fe90e1f4840008f09d56942581dda18baa2d939e134780"
}