Extrinsic 148603-1

{
  "heartbeat": {
    "blockNumber": 148601,
    "sessionIndex": 2476,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xe882107f6ac4241c755a6159d2175e1779f8f7c1b9db62552059a5b61eca10333c32cb98100257b2e6c881ffcc8d3e6495420f48aef0e4004c4f11adf206558a"
}