Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,552,954",
      "signature": "0xb9d1d40a40ac4cee2c840970a8688e22b4c172a35c37cb6e81971460d3ea9a4df22ad4be014ca65ed443ffcc8ce9d9fc",
      "randomness": "0x0d21e15ec966d207f7270ca4280096e30ba8d21a014b7a120c9b92cc90c27ce1"
    }
  ],
  "blockNumber": "7,408,574"
}

{
  "Sr25519": "0x801e97ff16e890cc4bb22fd2a53985cae12b88a2c58a1960273dc99e46752430ccb7ec5d916a9606c275f1235accc479cb5ba2fb566f9e4a236a948b16b58f82"
}