Extrinsic 69347-1

{
  "heartbeat": {
    "blockNumber": 69346,
    "sessionIndex": 1155,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xbaf530df603d40120442304cab11174ad914e3220cb55847e3bcc01c70815941e62a01ef38d71857edeb4571b55c563dc035f8a2156e0981b46c79c53f62aa85"
}