Extrinsic 45033-1

{
  "heartbeat": {
    "blockNumber": 45032,
    "sessionIndex": 750,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x2e3b9480a2bfbf0b5b081f6ce6edaea7b2fbf5100d8d30b4b9b2ddd6b9bf4b3e978bad4ce6dac907ccb53961376da507ba03100e82344d1699fe82c9d82f9187"
}