Extrinsic 46170-1

{
  "heartbeat": {
    "blockNumber": 46169,
    "sessionIndex": 769,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x507b8c2ab1620f6dcb390b726ab0871c99091669e60c376553af36c98131a26e96b3fda59085e487bb3f66128c3bb8c18fedd97cf0baee878883b99d06cfaf8c"
}