Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,539,737",
      "signature": "0x98af63dcbd1f6bf536a4873bf9f54324f6f2dbbef73d0f52f120dc96c38449e0d5aee92a59074b19379dec5cce34d088",
      "randomness": "0x4a5bb8c5cb4c07f2482db8f05d9a17bc75006ca60a215db6724781d7dca65c5d"
    }
  ],
  "blockNumber": "7,405,270"
}

{
  "Sr25519": "0xfe39ae17570ab0fc62f168d61b96a46605fc9e4f431b0f675567ff7e650f2368435570f4aa446d06405109bf89ea12608a133f6acee73b1ba8cde0a1a833d980"
}