Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,554,112",
      "signature": "0xb99e66a1af813d11a920e9e808a56b752b86b2632a1baff5ffc8285a5a693e513cb661afe41876e272289fca8fd823d6",
      "randomness": "0x79ffe7b699fc358ac4b862f0e4a646cf6f14642ce28fc0f0c696f449523a66d1"
    }
  ],
  "blockNumber": "7,408,863"
}

{
  "Sr25519": "0x5ab8946068652e3e28bafdc5274c55f89f721759bdae288a0cde45266bac536889b7f33b1668e17fbc2c80f17ea2e1029b115655b98249d469437dc0b9649b84"
}