Extrinsic 11740-1

{
  "heartbeat": {
    "blockNumber": 11739,
    "sessionIndex": 195,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x58c10b5ef33bcedd440048ca8238ad3afd677b008dd76b2e992fe99e8a7bc544089ac7a290b0a41e8bbd9f7d282a4d212adb30ccf170a3d2a6bac8fa825f1a83"
}