Extrinsic 13729-1

{
  "heartbeat": {
    "blockNumber": 13727,
    "sessionIndex": 228,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x5a5d3c23dabc8c7d88574d327305627619c246a75bebc70fc50f3d2b1b582f6fc12473137ab7039f3182451b812c1926adca2be20b27afb6d918e16d34b93b86"
}