Write Pulse

{
  "public": {
    "Sr25519": "0xb43f0fa5b22946e5227577fff32be5f066404dfae24b9a00ace9c51145c22a3b"
  },
  "pulses": [
    {
      "round": "25,552,574",
      "signature": "0xb82a59bcb383973602a3bc06bd79290d815c234570121cc45f0dd8cfb8c82fc5555915bd008d7a1a865e9267f91071da",
      "randomness": "0xa50d9c976f5ad5966fafdcefc4723fc65ccc7bb9c9ca5402360f25c06b9cd936"
    }
  ],
  "blockNumber": "7,408,479"
}

{
  "Sr25519": "0x643b3358c8b5d66076af25f058a2612c70417b994f34171b74ff63a3f094e838ebb428a0dfa3547882bce17ac4724e309d9acb52a38110fb731c5e52a3482a8d"
}