Extrinsic 45768-1

{
  "heartbeat": {
    "blockNumber": 45767,
    "sessionIndex": 762,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xca1ada294293ac0fe8c9ea72ee03bd842361330dd7780208d0a60873a5c0a00c1322a8743bed962b0f9c232a692b74b54d7308bd903a0179862ca48fe8628e82"
}