Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,574,376",
      "signature": "0xaed55642ba0fedb5f48a64a8e5a01c58ba0f0abfc44f312e65175c1b20171add51d1720d7f317482445ce7889a9d7414",
      "randomness": "0x08b375739e060b3cd77d581c093f81c66d6005b2b6453ef301064fa776bc0269"
    }
  ],
  "blockNumber": "7,413,930"
}

{
  "Sr25519": "0xe4930149a457a78b83a93f868611ef9eaa5492440a33b151f55d1f3ae8357373edc3049087464d994c708481dd62f4ccee3a02425cdd0b3b97d03987328b9180"
}