Extrinsic 13667-1

{
  "heartbeat": {
    "blockNumber": 13665,
    "sessionIndex": 227,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xca693856a15d9008edcbe585040dd2e4da059da5fdcf6a17db1cd3955a6ab6345f99975c78759ea7ac96dd946dc681fe1fb17724165ef9c610bf79ae857e0484"
}