Write Pulse

{
  "public": {
    "Sr25519": "0x5ada7b33a4ed49c65c755d60033de7528010eb5442c02ac5500ed22e567d0b24"
  },
  "pulses": [
    {
      "round": "25,602,977",
      "signature": "0xaaf30ce873e316fd38152cb0a3f6cb1219a93c823912d3e8042041504fef883a385c234bd73e5f5c668b14f63a63f011",
      "randomness": "0xefce35cd3748cd891e20f1fbed9747779a9e2de86e2688bf44bb09edc702d203"
    }
  ],
  "blockNumber": "7,421,061"
}

{
  "Sr25519": "0xf2e0fdfc47cc751f419340efe25d35a30229f29d0642a332673d6c4372279574e9303595d265752424c13c62861d572ac9f09a50509d47c9bf1fb05be2723486"
}