Extrinsic 12607-1

{
  "heartbeat": {
    "blockNumber": 12606,
    "sessionIndex": 210,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xbaed86dc38f34967eea6fcefb90d1a4a90963e2dcc81ba6a0c42838708a23d460c771270121d3e8a80a28493e2dcb7c741fbbe9b06b8beb79149a8674bab318b"
}