Extrinsic 45761-1

{
  "heartbeat": {
    "blockNumber": 45759,
    "sessionIndex": 762,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x98da2baaf3b93a2fa89bd27f5188bddf319ff2e32597e0f6eeb14cffc1af481a333790fa4326af2465ec6ebc10b7841a1d6e7c0652067864a7e46e87859f0987"
}