Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,542,932",
      "signature": "0xb5f5a1c290d3cc4ab492fe12e86018a8cb90e4a9c1e7433a2ece083aa3659306cb6991b273a7f83cc3433a9817c51218",
      "randomness": "0x5c18bc0ba110dece1d06abc63a1869ae860cb45ff5033b6fc1e55ecec09eb54c"
    }
  ],
  "blockNumber": "7,406,069"
}

{
  "Sr25519": "0x76b834d5dfb5a864e84d5d1695b916d03b8410af382b9c296017ff32687e5b0252c6cc99b4620cb810dc0f6bd12441b8955f8c7cc984f2ddc770c5c650af278f"
}