Extrinsic 144469-1

{
  "heartbeat": {
    "blockNumber": 144467,
    "sessionIndex": 2407,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x2022d395480c579670aa533630130e348b9c6d4b3328f38d21c849555bc93735db939aef45a41622d4d884106de2993677e64660734acadffd6996a241d3148b"
}