Extrinsic 16283-1

{
  "heartbeat": {
    "blockNumber": 16282,
    "sessionIndex": 271,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x06daf0990fd53f4980a670c95097b5d18c494523349afba3cfd476f65ba6a75d8731daec4ab7be4f693908fdb2dc661ddd334c068b2ded982b7f63ab732b548d"
}