Extrinsic 45692-1

{
  "heartbeat": {
    "blockNumber": 45690,
    "sessionIndex": 761,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x70d93bc11db432b21d0b7ee2c5157bc40cbf0feec4da540b67449e17637c6956020507ed036f34171688280f49c0c43009394a13021cb4f6cf06565dc3af1a81"
}