Extrinsic 177943-1

{
  "heartbeat": {
    "blockNumber": 177941,
    "sessionIndex": 2965,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xa0a0b3167794821f334d367de1779198cb6afa3be4410f7f25030e135cf82e00d5b92db170a596c65156cb64c7bbfa1772b3d9937f681ed5735fb29011e7fa83"
}