Extrinsic 24670-1

{
  "heartbeat": {
    "blockNumber": 24668,
    "sessionIndex": 411,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x1222c2e2ffc1eb50ce787dbf9f0a483d36abb24c2bedd2a010cafa44b99b833184635155ce782c6c9c984e371ce8d026e1b83088e34a41f96f9aa954d608a687"
}