Extrinsic 20795-1

{
  "heartbeat": {
    "blockNumber": 20793,
    "sessionIndex": 346,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x74ab8ccbdfc87e6c2af01230cd1ae9faa31df3defb650bb16ba49bc8bef2786f4e6b0ad4c2057d0f76e1f44bcb84edefd4cf6d0b874ffd3d849a477386beac8f"
}