Extrinsic 34909-1

{
  "heartbeat": {
    "blockNumber": 34907,
    "sessionIndex": 581,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xe26d56d2779eefcbe9a31e26903c4f0959b94bc4cbe49b5569fe7482a57f172653513a7cf7f467c5ffb1531267190805493ab6c77bd0b14c022cfb6c25b1838e"
}