Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,539,742",
      "signature": "0x89ddf4a4aa3561022aa9f9278d55350bfb4801baeb06625622ba986eb023843250697002623aa5956bbb0445f709ee44",
      "randomness": "0xdd66fb2e345c72876cf8cfa3b327589f962c258738ac8e00b5791f2e43658c5f"
    }
  ],
  "blockNumber": "7,405,271"
}

{
  "Sr25519": "0x501e9d002791648146dce15c7291a1d1fe2537c4037042860e544292acbfb96a04822b8eeb836b712d23d6d61abbdce07f30c1fe0e6fff2ad13c0d966925e081"
}