Extrinsic 20062-1

{
  "heartbeat": {
    "blockNumber": 20060,
    "sessionIndex": 334,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x6aba1c93e149ecf0a01ffa4ebd10d8bb645be6a4e3bb308c529c9a18093b403beb83fe53ebe57a6ea9d852057a86c8d667a4e33b6ecd0f225ca57171a221d287"
}