Extrinsic 76513-1

{
  "heartbeat": {
    "blockNumber": 76512,
    "sessionIndex": 1275,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x826fe438f35066a03fa610c3b0151f5429a6fdc0160c5d787a13e343883efb0bfb749d0a89404afdf8e710bcfd4bc119741934f3e1daa1ad58dccaa542f80a88"
}