Extrinsic 407261-1

{
  "heartbeat": {
    "blockNumber": 407260,
    "sessionIndex": 6787,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x32bbb02f60211024e89b884ac08d4e58d0001de68a5440ea4dbd011340fb0d7087bfc57b7d7cd8ec18cf91f2781b934fa70df4d8211313ce14d4e8d02fada186"
}