Extrinsic 43843-1

{
  "heartbeat": {
    "blockNumber": 43842,
    "sessionIndex": 730,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x206c2703f15a6de6761f3f88349a0cdd0ca0cba41c9a319b0f16f32a4b67a6170b946374e15c79f11d18b62f8b767c785a0d5ffa3cd1181c9b31e1d2d6ccb783"
}