Extrinsic 49005-1

{
  "heartbeat": {
    "blockNumber": 49004,
    "sessionIndex": 816,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x78128932a7d4469e08ffc21839188b82ecc08f9b1d47bc613b0733659098853108dcccf264cd57fdd373d8abda99e4aab281597546d3dbea406baffdcc387385"
}