Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,554,055",
      "signature": "0xb0e938547d18cbec7f81d504dc1347a7e34eebae82c5557abe393ec71d31dd8ebfda4ae3e1f5806c816b9763d68b75f7",
      "randomness": "0xb18664b3a9abcb69b4da023bec425f2e044bdc735e570f69e3e61dd794d3525d"
    }
  ],
  "blockNumber": "7,408,849"
}

{
  "Sr25519": "0x6213d578af221739799d3b4dc89748d064cfc9430e0696fe5f9360a936679c62d9173ab7a63b48ac1e59b84df7eec82377fb3899357581569a6c9cc97a0c4280"
}