Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,603,019",
      "signature": "0xa786a5e153d663a10ab7d394613dd9e90403e1716288de79b93e9cbc4a16bd580827f8fbecb25f54575b3f009a6094eb",
      "randomness": "0x02c460b3a4970cc43639e82a65a0c2d1c4fca666b042b7695c20fbbad92f8cc1"
    }
  ],
  "blockNumber": "7,421,071"
}

{
  "Sr25519": "0x5607201ab42af4e540e5c22708d6f6e5f2b0eb79d4650dfdce96bb8be8c5b310d90a86180e4bce51325d074b022ec109d7ae7acde95a937276e51521cd808f8c"
}