Extrinsic 29661-1

{
  "heartbeat": {
    "blockNumber": 29659,
    "sessionIndex": 494,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xce7ffe15f0fba8731786339644da72dabc423f7b43f0aa7ac2408f8188002f3f9a143592e7d9124d26058e4030f711cee63ea462d8d9fd1a9e6b03c3de7b6484"
}