Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,549,389",
      "signature": "0x931285560f7c7323613c2539c5d2b3408811b7f4aa534585d52f4dae5c836cd4c3849b95b27b5f4e982b2b38dd0c78f5",
      "randomness": "0x7afbd9dfda1ba1839ba3b7174908cdd8893e9307945794a7fb7250fd8e61dd74"
    }
  ],
  "blockNumber": "7,407,683"
}

{
  "Sr25519": "0x021c60af892e9eb906b41e8cef9fe8305a23f3b4ff1a36425146632870d45c72d1f9097f51875e267a01b498237bb3b538bfee0541c45043e27fa9e680012482"
}