Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,632,774",
      "signature": "0x9402c8b23c64d8dd8af6164c03a456207b7bc31b6d2985fc6039247da7c9f585a97d8e6c27169f7e3073e379bfbf991e",
      "randomness": "0x15d1f06b9afcb9bf4f0cf4b647602f58871835f61f9e60010bcb8501ce4139c2"
    }
  ],
  "blockNumber": "7,428,508"
}

{
  "Sr25519": "0x42d552ca0fa0ab65567256f1093181f3800eef4f5696cd0887e1a4ad39436f742b84a6bbfa882099052380609bcb15edd4d0f58d1503a9f2069bca0f85e8ec8a"
}