Extrinsic 16092-1

{
  "heartbeat": {
    "blockNumber": 16091,
    "sessionIndex": 268,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x42cabfd686fe052be814b8879f53f205bade92ba8b33bbc7c64751f3ff467c750c57255a523b5cd1001a1e665036488ae69607a4d97c4043bda2e941efc62f8e"
}