Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,544,879",
      "signature": "0xb207bcd613e579cf7800328782eaf34a8aec6ab5ceb029df9440d728ead2e518f31a095b1a52bb5000f52712fc66cff2",
      "randomness": "0xfd6977e8bcdb8cc2e15066c852754d524b6da28c3c54ba3d95f32fb3505f4ca9"
    }
  ],
  "blockNumber": "7,406,555"
}

{
  "Sr25519": "0xc0a15e20c6f44c86a30bff572807598f48ecfbaac632d242dbf134227348c239f7213ed985c7f707ecb761a85b74525ab340f51ec9542e506ce5ae1c934ba583"
}