Extrinsic 27943-3

{
  "heartbeat": {
    "blockNumber": 27942,
    "sessionIndex": 465,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x869d5c325789cdbf452cac672f2fd6723b909fe1c48dde37a3e2e2f22c5be36e153925a04e8775618433b9af90a026efc1f3eae3887ae9e0793fde07ac166882"
}