Extrinsic 13058-1

{
  "heartbeat": {
    "blockNumber": 13057,
    "sessionIndex": 217,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x34928adcaddfeea24d5262cc57c8f993f5b42440381053be41f6250524cc2077ebc8f7977d7d830eed28f0026c0e77b363db6253163c5db9fa7c0bdefec1b68c"
}