Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,553,112",
      "signature": "0xb739d5f4f13bd58f3bc7d27e59ac47be790c441026c05d41fe85bc3b76384e0800ae3d5565b2b020b76215bed3f4058e",
      "randomness": "0xcbcf6e7e20878d1e5191d628dfd7553f86861e1146122ac42cbabbb00a0c094f"
    }
  ],
  "blockNumber": "7,408,613"
}

{
  "Sr25519": "0xfecfe28885a9d945a1fb11d028bb041ad1bf9afc51de741655d1e41d1e064d71e213d6435945c236f34676dae998dd2de6902a4a9be506f2ea9a429712e42281"
}