Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,621,949",
      "signature": "0x8b40d6d7f431e471f36142e668b8c51dc530b9afb2a59965b8ad37b2e8ccc1bf37eb0eaed3ae800071adb30abf52db67",
      "randomness": "0xc664393f1be3e3ffaf910163971815eeb300dbdbd0a2000f0c92f2d890d2b85d"
    }
  ],
  "blockNumber": "7,425,802"
}

{
  "Sr25519": "0x7e32413680a34c1e5790a893ce2987ac88c90cc584a1013ba95d89f2726867181f8a122ae5846c1d44418cf624367a4501c3b6ea722f56cbb9c08d003a04d788"
}