Extrinsic 31053-1

{
  "heartbeat": {
    "blockNumber": 31052,
    "sessionIndex": 517,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xcae6fc050fc1bcc6593a61b6618556f9646b1d4f1d70f30eacb7502067fb57431b73ca8a03dc1a740912a9d9a1dd909f69f1438e2d6c7f3820a438796dcc4182"
}