Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,550,809",
      "signature": "0x8a8160ad5657c17a8f98b3314fa96196347734791a61f10a365a6beba9eca0b45a0f2e544a6747df21b4316c91dcf3eb",
      "randomness": "0xffa52d1f5839958efeebd29c9a1f35aaf9333e4a84ac991df603dc61c62bea6d"
    }
  ],
  "blockNumber": "7,408,038"
}

{
  "Sr25519": "0xeab1e0c3d987b6a6e92a69bf83508f33d37cd64aad693e52fd74b4cb9db7485ea6eb03e87cc4a3fc96b77a2fadc025e169f32dff161245bf329108b2f06c0080"
}