Extrinsic 49902-1

{
  "heartbeat": {
    "blockNumber": 49898,
    "sessionIndex": 831,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x2ea42d82d68daf8358e8828ead147be9661ab7095bb45f1ca9bfc8285b5d251a9b8a168c49269c5866a8b1d1a6dfa2d67c8a36fbdd09a4f70cfca66e5197fc84"
}