Extrinsic 407358-1

{
  "heartbeat": {
    "blockNumber": 407357,
    "sessionIndex": 6789,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x78b93c6de8c4f959bec6734a4d1a4ef9cbf5af17efb65b5bcdf059c9f9b50c7a8dd4a1b095d0c382f936390cf229f32f2c1252ad2e8e1971f8c207a139da2282"
}