Extrinsic 75611-1

{
  "heartbeat": {
    "blockNumber": 75610,
    "sessionIndex": 1260,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xf882ccbf766af6f3bce3c32dca63223b55b896bd2091b0bada6506521953486df4b0b11272771eff56336b3f9be9f331d48db9116e4db3844f7734a19f799481"
}