Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,566,937",
      "signature": "0xb57b3ace17d5ed119c16fa2348c0644ac83226abd95bba3e2552a8003725f5c2da8c6ff1680c4792c0d5f1ed6842b6c9",
      "randomness": "0x9d7870cc2447b3c5bced0c4312627d3387a62d98877b94421cf6624130f55627"
    }
  ],
  "blockNumber": "7,412,070"
}

{
  "Sr25519": "0x20f1b5afe2f7e75f063f4ed206cbf793607b01978586edca8eaf1261a648b6507d0f2168282c07303b5d30eab7bbc7c862ca9c8bbb7b386510d04140b99c8681"
}