Extrinsic 14684-1

{
  "heartbeat": {
    "blockNumber": 14682,
    "sessionIndex": 244,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x262a0fdb7d87bc0e9f9db8a320d09c4a61f09b23b222df94026d42064f33d2495c270aac1052c2519e98bd81bd57fe4f278817f681c11239fb499fce10e31a88"
}