Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,570,557",
      "signature": "0x91d4137238d43405855fb3b92e9b36f868611713d07f6491e4a62f0c0f27ca2720891f810f38195bc3cbae00f40ed2d4",
      "randomness": "0x8710f35173424149c5f9353cdd9e7f46491411fd87a1639af1a736679066007d"
    }
  ],
  "blockNumber": "7,412,975"
}

{
  "Sr25519": "0x88562cb162b7cac9c2a1fe97232a774302d899a13fe5b5f3f657007e266f9d0a64ab53d75a7ffb224ef14fd9d0ac2935fbcd5abc3fd6988a0ed7c88db3ada383"
}