Extrinsic 25412-1

{
  "heartbeat": {
    "blockNumber": 25411,
    "sessionIndex": 423,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x627599ad614a7a7363908a7b6aa2bfeca21bfd97139431a179d68c257e26e9155e540952943cbe8df12aa6ed4762068f2c100ccd20b124ba96c935b13711ec85"
}