Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,558,456",
      "signature": "0xb9997b7da76e5b97f60e875267053d73c3405cffb8b38efe7926e5b9241ae2afdef879b5347334e563c0dd5781573cc9",
      "randomness": "0xc0dfa2779247cda2906425c9224888964976cce867697d436aab92a755418ea7"
    }
  ],
  "blockNumber": "7,409,949"
}

{
  "Sr25519": "0xe23b882b012c5e798eabc52b597074396e376b8f993b173b2a4b36a96b61d45ceb899cc15f4ba8cec6ab8e22fb16b2c088565a5d2c4119cb8bdc6cf006187388"
}