Extrinsic 144252-1

{
  "heartbeat": {
    "blockNumber": 144250,
    "sessionIndex": 2404,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x1ac79e03487b7f0b619b0da0ee27df649a5ced7124856d1e8398a76b28e13b771a8acc3a0416ea0d30b638ff474e25ef25bc762258f7ee7eff7bdc6051c1b28b"
}