Extrinsic 76775-1

{
  "heartbeat": {
    "blockNumber": 76774,
    "sessionIndex": 1279,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2ca7e03d46a7853b7524e1e3ba83009b57e51c957599e326b0540daa8aae7b06b7bd4257d73805bdeb6f9c52d361b4a2e6de3bb60fe6498290c2e4ec39f24b89"
}