Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,554,902",
      "signature": "0x87b18697cc42ba1e500ed987c26ed741dd5c8cac0ea700f2ccfd84854e5ba2de2611f38d648b0a077283084aaff2a570",
      "randomness": "0x9cdd5d0bd508a9cb4f2917aa1c1c0d690f8fd8dba16ef1e681b06b80479def48"
    }
  ],
  "blockNumber": "7,409,061"
}

{
  "Sr25519": "0x9c19c7eaedfde34401c1bfc29168ae2ed8af13f8f6dfc920d4c3810b73a504646cfa3a6e15ebace7d3d189ab4e9e30edeb8bebc0f2f546952fdac129f6668785"
}