Extrinsic 29734-1

{
  "heartbeat": {
    "blockNumber": 29732,
    "sessionIndex": 495,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x6618e48a96072e6c5e136ec7f1d817d159d589224af5fe18aacd61eb2dd53e452f10018ddb954e2f09bc8d0b0436bcac2e732983e598fdaf509611ff24dba786"
}