Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,550,992",
      "signature": "0xa287b9c897a75c9ae76b3850b37f05d420423addc1543a8c08c52e60d0718232923f08b684b7d702e2451a0afc06d63f",
      "randomness": "0x26351d5a5696cc2501a846a349f0866cd08098e5349f9b086613405a0f3ecfb8"
    }
  ],
  "blockNumber": "7,408,083"
}

{
  "Sr25519": "0x745f77c0b3721ce5edea95eedc49791a1b2bf2c02405670f3283ebe7c41ebc3377da308c4fcfff467f9b8a2e387484ed4049e851b495f8184ed48b02ba92908a"
}