Extrinsic 9049-1

{
  "heartbeat": {
    "blockNumber": 9047,
    "sessionIndex": 150,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x96aa5a56f3a0973a2cf51bf80b38c91b5f382f0e9bb72ba09615a1f195cdbe3a00bec7eeee0bbb1d50b60127199019f21e996895e0b75f535501e0c4f4c7658f"
}