Extrinsic 17593-2

{
  "heartbeat": {
    "blockNumber": 17592,
    "sessionIndex": 293,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x947a27bbac87c4f5ea62d8473c013d80818870317950f6c5b731b37ea1e1b876129638509a29a2a6b1530d6f530d6be87c6a418d62ce80a6beaa51130f3b0289"
}