Extrinsic 48524-1

{
  "heartbeat": {
    "blockNumber": 48522,
    "sessionIndex": 808,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x327018e42262399d2e2d5aba6f41867cfa676f59081c27cd6d8a99534356f23c120887613c1d85f0330f38ecd445f60b384f7f9881f9aa8e2285c3572f21268c"
}