Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,551,450",
      "signature": "0x927f6b7f724b1ed1764eb0f3b043245d1934429d29174de1c2932b68c85825c2e3d32f448e432365ff8c0a77d18387a2",
      "randomness": "0x9c8c5dda140ed382c08dfe111f65291ff9ab5db69ee6ebf08e2d5f02ab6dd66d"
    }
  ],
  "blockNumber": "7,408,198"
}

{
  "Sr25519": "0x1402ad85772c3aa2a4a883fdc9febc205f28431c3dfd95a17071f7f43b306f4a4a77af47baeee48af7e992929bdf1f2d6dbecab310e66ba63cfdfc56caa65f83"
}