Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,653,973",
      "signature": "0x8d8fa2397f91c665aa3ae957e6d2bbac7f72bf8cd93054df28e414822464429b4b531353d98bb728c8a56dd12ce97d5a",
      "randomness": "0x28efd8a23c8534d70903f67d1f451f6d9b9e4e0c72a76600671024999ff244c6"
    }
  ],
  "blockNumber": "7,433,798"
}

{
  "Sr25519": "0x50768565dfab4f6375932322c9132524a45ad8523d5046ffa53552e2e7ecc65a7fd74b7b084affc3f176f8c85ed20aeafe41e95a44f0a0874eaab2d5e2f88885"
}