Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,601,574",
      "signature": "0xacb2b9c9dccc26644bf2bcfb4e69aed8d37fdece3983c17867112e6ec1199ab4c508d9a3732e87356f293f5fd35102f1",
      "randomness": "0x927bd5559fa1b5f0ea78376985744858e5ea145df0f45f1f00c79584c898a444"
    }
  ],
  "blockNumber": "7,420,710"
}

{
  "Sr25519": "0x24c5d46bc240a5aa661583d245aa81efd3c4735bddf5c21341cca87e711cbd0fc208a6e5dc24a176b8cc4a39359b359fe970cc21a74aad1cf36b2231d806498c"
}