Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,604,970",
      "signature": "0x99e43ca3b4558c35343738b9ee7ad6544d52c2ccd8cf67fc803f9fdab06545fd9e59e7127c45d3f31abbc1dc40a9439b",
      "randomness": "0xb3d460aed705cbf61362d5b053554597343d315ec3ff66c5d4bbde011b084bea"
    }
  ],
  "blockNumber": "7,421,559"
}

{
  "Sr25519": "0x7c52caba333e0e1420d092228a66030496eb7a5424c93d4690c9a523f42af5130093a168a76c7bac7482d391d76b623be3bca26fe81f4e5a1827de5bbbe95685"
}