Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,535",
      "signature": "0xa0c8c5215ce437883dc5b8bd2a64807a184d872beba284edbdaf4e2807c23c47de2e68dae8f943505da9e3150c0f26c9",
      "randomness": "0x3595e0d5b026a92b6807376897edd473c0f2b43982d2cc1cc3a36e2c9d682dd1"
    }
  ],
  "blockNumber": "7,414,969"
}

{
  "Sr25519": "0x78dd77d147985f1f107ad4caa7aad4249f8d30cfc9b6f4f83f99708370d25f27e82206144494592e698894e88d8096717c2b34ca9840d8c098fff2f530b45a84"
}