Extrinsic 65299-1

{
  "heartbeat": {
    "blockNumber": 65298,
    "sessionIndex": 1088,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x181a8fd6c363b05b9c3224c0ec689dc10951155d75d292422529f9245c9dd44df0dc938d27ac7a510640a69e5a2d8a83119da41526db10ab97d3ecc82f27b280"
}