Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,547,174",
      "signature": "0x8da965b6f979e76d7619e7bf1382c7664ed0c0f77b1a7285f83fdd0b04f1316cabafb39a30c871ebb436e32fc3b10f42",
      "randomness": "0x2e3e20b589530b547e82027a1cc8908a83626fa646b3d070933bba6295fbd78e"
    }
  ],
  "blockNumber": "7,407,129"
}

{
  "Sr25519": "0x54546bcaae97435be0e822e9159322ac15ea021d51abc1ca9af8144af081ce11f13137b1da48b5aa7773bf20c2f4eaf5c1e9a237f046129c59131af0d8f1c987"
}