Extrinsic 22188-1

{
  "heartbeat": {
    "blockNumber": 22187,
    "sessionIndex": 369,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x5ed221dc3bc929fc1fa920285e5767deee500784eb2e1fb671825ee061ec007ed73e8a5db664d92d993a896aea9b3588f2a3d1ee9438aeccf662f3f46337e481"
}