Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,619,468",
      "signature": "0xb739071ca4773f233bc8bbb740931f5721270c1d00e0cf41bc7f78d44348bd5ba6deb67cf275fe0e622d710b9fbfde7f",
      "randomness": "0x618a2959a9cb9b99fdf85dd103ba3fa58b89be2f7220877565363509ae18a996"
    }
  ],
  "blockNumber": "7,425,183"
}

{
  "Sr25519": "0x72de8831cb0986413825e38478d53e5b801cf06e3ecdc596b8c4326371d9b34d5870ee40d6d936acd68a8da5c393a809e24339746d542db91bd9e873a9378387"
}