Extrinsic 78313-1

{
  "heartbeat": {
    "blockNumber": 78312,
    "sessionIndex": 1305,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xf23c2c594e9f9f61eb74199aedc941f537497969ac121a7fe5ef758d8e5a237c360e24138169d55b3c9898dd2a47f159a748ccff030e79010c4057b2de17968e"
}