Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,574,021",
      "signature": "0xb1caf2b27dde858fb9a6e3bcc8db46f0432111c530b369f8b3ccdf0896940c2c8d0da0d081d8eb9031401a63bd4fd301",
      "randomness": "0x8269a277df5e0a8b9d9836860abfaac1151b67ef38ace25c777c81dafc8da7cb"
    }
  ],
  "blockNumber": "7,413,841"
}

{
  "Sr25519": "0xc2866d5bd25e10150d9b9d472e3407262ac5403bb548393569e447c6e7dd1332f70784c5067f5209a96d6573f912665d2446374768bd8ac81e8a37337fe3cd8f"
}