Extrinsic 22902-1

{
  "heartbeat": {
    "blockNumber": 22901,
    "sessionIndex": 381,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x9a870fb65511bbafbfb2c8213ce8a58b3c1f9ca38a91cbe9395e342308e9ad27ec00b52d3ea1714f2106410ebb793e4ccf94e889d9bb8b15e5361ae6de0a438c"
}