Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,677,252",
      "signature": "0xb2eca34fdb90c9c07136357914cf2461f2520823eb036d67b7ef5ff9ace6124d736606df6b37aeed9f70f96191db7d16",
      "randomness": "0xb99fa01407bc9830430a2e0e02eb630b6d3459cbaaae6d59706cb33e5b9bd736"
    }
  ],
  "blockNumber": "7,439,605"
}

{
  "Sr25519": "0x587af705efe0943e5ac4ec56b8a184a0452f2dfaf682272d961bdd2c5288437919a89a58d29faba8525806454315236a075da86688a03f9b91d3da0fc4fe2580"
}