Extrinsic 44827-1

{
  "heartbeat": {
    "blockNumber": 44826,
    "sessionIndex": 747,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x505f9408508934f118e66b1fe20949bfe6b3001affa9ceb5fc404af6d4a54513fc1a356875f48148220798d626c83a023253f16f9d405c88e12b1b70aec13f81"
}