Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,620,158",
      "signature": "0xb75e44ec5f04e7476159ab97d4fe686802f8641b4dea3e62211243517d48284143dd4006f6784fbfe8c572ba847514ab",
      "randomness": "0x21a9bff93d9a9d7fa36fe74f3193a31f7fc9ad6013a14947ff7638a3960df6d5"
    }
  ],
  "blockNumber": "7,425,355"
}

{
  "Sr25519": "0xbe878592ab737f4358a273158174e70f58892ba44bac7dca85f9442f4be9da00111f6dbc13cb2af5ec451f4041302c86c4498231c2dd46028f6b0e74f6de9084"
}