Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,545,390",
      "signature": "0xb3d2ed7e88d50518d54ebd3a15810186541148feb279710287fc4c87f2325c265363c411eba023307fb0f9012b5b87dc",
      "randomness": "0x47ace40b6dff01ea601cad56872c26c773c603afad805175f23708f01215ce99"
    }
  ],
  "blockNumber": "7,406,683"
}

{
  "Sr25519": "0x7a190b3b12532f1661e5dec9cc7a8294d9d2c735345e02b26d3636c5837a416ca9b662b7b01d2e785aa21367a2192c2b5f41d616c50ebc7067da7c0302bada80"
}