Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,547,311",
      "signature": "0xb7edda80c14db4604a2daa353fe3cbb2ccb96828702a63b81f96f95832bea99603415ed6e1fec4aec636016e7569dba2",
      "randomness": "0x69ca144575233b7c00d084d8703f4286a4435744b324f7b4007cbad9b6a42078"
    }
  ],
  "blockNumber": "7,407,163"
}

{
  "Sr25519": "0x50171547da649180006fa943f7a243e550712bb675a81bf90fce976b50671b14f17da35c2ddebe737d29fe989e2b5e4c628e4200077e44e0e57d5b2de5b93980"
}