Extrinsic 6310-1

{
  "heartbeat": {
    "blockNumber": 6309,
    "sessionIndex": 105,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x109943e6fb3fe16b7af067717b4b8464cba029ab15abebbd7c6db95262454f7370db62815e5115e0ff55fe6e0d30956e068c4bbb0785dbd2ed7d5c7722699f8e"
}