Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,552,534",
      "signature": "0xb888db66a6674085947d46faa8aedd47283ca05e5ccad455bdb676909548c392dd8b9c0aa12aa09e00e9dc765c4439c6",
      "randomness": "0x6888a4b8789ff7433621c3562b40c545aed9cc00e6beecaed58f925e25c50244"
    }
  ],
  "blockNumber": "7,408,469"
}

{
  "Sr25519": "0xb6f60de2316cea5fd9c2a1e02359d6effdae5961f2e86887da74c1ad23d16211c9cde24a459a15a83f53f0c6c5dbb43f182690491bbe0995f65dfe1b7168688f"
}