Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,552,782",
      "signature": "0xa74bcfde1197055153a298bcc7537c1b22315a4274432a8b638ad7295e8b788e563d39671c9bd420e64c2e55d388acc7",
      "randomness": "0x30e57109e77a2513ee26671add418b505b4355973d9320d791a109d26eccd639"
    }
  ],
  "blockNumber": "7,408,531"
}

{
  "Sr25519": "0x50678ee3e75f9cd32fa6b89ff91151bf76bda7b4f52c93797c2d41759aeaf5521683146c098bed9c2e94acf50d7c2412957811b9f4b67f3f04351349faf3128d"
}