Extrinsic 9344-1

{
  "heartbeat": {
    "blockNumber": 9342,
    "sessionIndex": 155,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x4a46c0e6a7ea73a91b0b02a2649c4300e889402adc9bc83adc22107b52018675776e2d718b78fee9475b35d5559009f29e6d58517a1c2be8f8151040a3505b89"
}