Extrinsic 174944-1

{
  "heartbeat": {
    "blockNumber": 174943,
    "sessionIndex": 2915,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x701ede9c52fcf389351ab8d1a660f17988a2f64faaff4e0fbe6ef558ee49bc1726ccb903f0e8d572774ec419c05f110384615f06701b4e4b2f2315b1f990dd83"
}