Extrinsic 76159-1

{
  "heartbeat": {
    "blockNumber": 76158,
    "sessionIndex": 1269,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x7e0fa9421837f0bae04092b37521d32098c65bf1841d0bc11ea05d8f8a07d4437885674ad093e7312fb921ab4975a1fac06eb3a044e40a079634ae1383236182"
}