Extrinsic 23410-1

{
  "heartbeat": {
    "blockNumber": 23409,
    "sessionIndex": 390,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xaea5a874e558ad9d2dafaaceecbb8673c24305c4f688fa2b5298f44ff728bd23a41b3f32471db6cac1af5f2ebee5ab35415c688844db2e33997b7c861c117782"
}