Extrinsic 48375-1

{
  "heartbeat": {
    "blockNumber": 48373,
    "sessionIndex": 806,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x706e1a9293047d678523cdbe07624915b49ed374be3ffb18b7e9b6ce9521d91c81bbda1457c492076d90667abaaec69c071157628805d4d0d7a56ac214e97884"
}