Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,552,859",
      "signature": "0x8d4d1c864d3b80a19b02a9994d3100d2a4d7518d5b786b1a0c49c2f67bb55e959cfea73a1076cc56429c97b96a3a45d2",
      "randomness": "0xb9b5c7fd719f8fca1da58b303504e036f7461170779501501a607e90085d873a"
    }
  ],
  "blockNumber": "7,408,550"
}

{
  "Sr25519": "0xbefd7fd2a7ee537258bfbd69d6f1f64a444824a66b40d3e408b91221db465b2b008f81b319e983f4c6fb1c87e5defa1dff3fe770066d1e6e2096e97bc9a4e18a"
}