Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,552,972",
      "signature": "0x8aaf2d2a2e154e3ed37b610bf35f8563604af9b63a387c1ac8bb8b77b7bfdcbd650e50b23c6a5219a8e59bb15074fc0a",
      "randomness": "0xd86820ab948c736120fd8a93ddb28a6c07ecb5592cec13d1037325c91c4d03ba"
    }
  ],
  "blockNumber": "7,408,578"
}

{
  "Sr25519": "0x228b0f1fe19814e2d4d4994e549b37c2189d5596299b9723a10a8fa87839437f747b5e3cf3cc2e9a71af3640218c36bf36cb994d69f9887537b16e3ea8945682"
}