Extrinsic 45560-1

{
  "heartbeat": {
    "blockNumber": 45558,
    "sessionIndex": 759,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x96b5a284c1ba03feeae4b4645bc817e4c7f5cb55db015ac320677f31d0c3151fd71adee922b0f89906c63ae38699ff4b7f044af505d3bdc19081887e9192a681"
}