Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,549,231",
      "signature": "0x861a35b11ace2c32c5e80c10faf46deb7b75a8e68d54c2c1f4504161e0fdb8d3c34a6eb80609d5febd92d70b4a7d659e",
      "randomness": "0xfc020fb2836c3839e87d4cdaa7ef7faaeb7e7a87bef46f314b7549450c6f63c2"
    }
  ],
  "blockNumber": "7,407,643"
}

{
  "Sr25519": "0x685aaf8e270c0499b308b5038f14460561e6b7c564bfb31848026f8c962a753a2fcc4037d5b76655d1709e57ff1520c25028a1ea4b09c0e39dbbc5ac1dca4d82"
}