Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,562,512",
      "signature": "0x977b9aae08b8159181c9aafd01fbd9d8d9c31e36ba49026e400ef904a678f942e92a56b6a294a4c3711e44b736270c6a",
      "randomness": "0xf4c4153c9115f54924842842483db785e0dd67accadadcf2aa99761c6ed2fada"
    }
  ],
  "blockNumber": "7,410,963"
}

{
  "Sr25519": "0xd4034b48c8ed49272ddba9d5985fa39fb343910d38192957e955093cdc53a6390b1079793f9af13784082a1b17afd36af4421a24fe7c534cfef826526724f189"
}