Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,545,470",
      "signature": "0xb2163aa4f2f7399f37a072db0d1b566cda1a127dd0573c75344c4002ede4b322cca18a5fd632e866a9232eaba64ed92f",
      "randomness": "0x33047f52486fcff7100a510c0035164985812c6e55191dedba23b6420ea962d4"
    }
  ],
  "blockNumber": "7,406,703"
}

{
  "Sr25519": "0x964068fab6e7cce386b78a1c30b55012ca844f6f9f430593f83ed5f89ba2155926b1ace42734548df370f6b6a2fc9e0f3eaae4573aa042fb62ca9d3b8f87e189"
}