Extrinsic 143619-1

{
  "heartbeat": {
    "blockNumber": 143618,
    "sessionIndex": 2393,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xcc5624968f0d91061268809eb8208384dd1bb7c70ec1993b82434dbba0ec41672f74111ff1bd1f1b5264b9e6318be4c4f14a2ca3bcf4cbc8dd50d97668c34687"
}