Extrinsic 49991-1

{
  "heartbeat": {
    "blockNumber": 49990,
    "sessionIndex": 833,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x844f65c162ac6f2e25dc0b17cb2e6c9c333feb51e4b062114163ca163ad155554adf9dc202d141825e7b6cf58b7b4e76fbe08eaf9111a7c7d641772c405cb38a"
}