Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,646,773",
      "signature": "0x9471f15fd20c0aa884d703c617fd718dd2bec358952f1a53c1cea33c15e2a4e258e660a960ec9fc7582bde5169cd2734",
      "randomness": "0x5e7b3eb76f413099b53c3b8af912f7e81c19258b5eeb755caa6647f81eabc689"
    }
  ],
  "blockNumber": "7,431,998"
}

{
  "Sr25519": "0x90f41abaec7c75d948966e037ffdcd0ec1a43db4215279083d494b4ea5172522b07e22fe7a66a6b3764c7bf3cf86dd7ed041d645aa3389cfcb31b8b6ffa53f8c"
}