Extrinsic 152558-1

{
  "heartbeat": {
    "blockNumber": 152557,
    "sessionIndex": 2542,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x5e4f0f01ffde4ee411854b645dadd53023a066503978db893413362374d07a021fb786351638c987b11b613bb7ed36fbc5b605f81765299d200ae4c9503a8e89"
}