Extrinsic 78386-1

{
  "heartbeat": {
    "blockNumber": 78382,
    "sessionIndex": 1306,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x3020f2c0f9df9bfadd3d8a7cbaba2b798ec65b3820656037803a3eeffc4b0f5f4de898cfce1e8b0ce56653ca9daa835cd718622009b3fa870065ed60f221e680"
}