Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,604,971",
      "signature": "0xa3be7097e268b5b9df8d54ae103b3298aab248f600d935c63a998882cd36e08a0d512c2425437086c9bf15f45bcc50c1",
      "randomness": "0x7e717234cd96c38fc1e2cf2b4a2495b372b7be51e6032b073a0cf9f6b87cc238"
    }
  ],
  "blockNumber": "7,421,559"
}

{
  "Sr25519": "0x54e28a684d55dfee43c41b792c88b961604802ccc5da0859550fecefad648b54a25c1416c4c4d9c17c7689ff6187292b1fe78c3ffe40f33b909109f268ec948e"
}