Extrinsic 27168-2

{
  "heartbeat": {
    "blockNumber": 27167,
    "sessionIndex": 452,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x46d8a501e122fb4a44738a0f9819962e9eedecccf98cc124c9de5669e02bb0193f6418719909ea32b173357d210d6e07c5fe51ae5cddb8b857935e3afc3af486"
}