Extrinsic 73533-1

{
  "heartbeat": {
    "blockNumber": 73532,
    "sessionIndex": 1225,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x14e718e534a18dd6402634ebde4718ead81cc04f55296348ac355cedf6eb066f1ceac9035dccceddd2be609e66d9282474783444be668c2ca5c17fadc13fe282"
}