Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,570,112",
      "signature": "0x8e291fd1badfa8e198e97732ac0d362c0a51c595ed94d434cf65ffea91e23385ca7bfefdc303c755c538143d98d8492b",
      "randomness": "0x6165f97cfc91b9a8072c69bb5331113ff487d583b80b696691109845013c2e62"
    }
  ],
  "blockNumber": "7,412,863"
}

{
  "Sr25519": "0x88211d5cee1829ea73cfd416c781b072b5a0f815b81336cad4824a77001f934b021c48a0486e79b3b9bd2c0ae3994f1a297bf5738e7620cc5cc0445719882b85"
}