Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,548,572",
      "signature": "0x8fa8606b6ddc9045383ee1603833acac16a6d69f6b3083dc1c03838cd3c0fc282203380c4fdbc1b862705e090a64a4d1",
      "randomness": "0xe619fc5798b38ff3568c7324ca47b1cec27657a0464fa24a6c1b1801ab6020ce"
    }
  ],
  "blockNumber": "7,407,478"
}

{
  "Sr25519": "0xe0e648bd9913d17b9bb3a0dbde0b93f847f02d35a1cb3642e6433c72c7638d2d269abaaccf029cd2becfcd21dff873634448aa11f01f5237222fb60e17154680"
}