Extrinsic 64286-1

{
  "heartbeat": {
    "blockNumber": 64283,
    "sessionIndex": 1071,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x36d891455247f450430254d524c4f12e617973dd235cbb11d4cf2029dd52764ce5d1d10cbc07cc486225bcf71118e5181bc814b900f84915625ac0ecb9518787"
}