Extrinsic 25363-1

{
  "heartbeat": {
    "blockNumber": 25361,
    "sessionIndex": 422,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x8249b6f769d9cab11279b915af611ea01a583c396c1fd7634168ce88fa09f85945bc74863398bae96056b5ac609ff7390410e60ee4b3e6d7c265c6d717793f85"
}