Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,580,460",
      "signature": "0xb49bb092715c4316d4667a8f7feab4d4c9ec7b360b75ca43f2f44e1f28378bdcd8a6adaf029657b36c91575552d1bf90",
      "randomness": "0x9af95d3e02d38a5613c45628e69679accbfdfcf3a45d45235fb06eea949c8757"
    }
  ],
  "blockNumber": "7,415,438"
}

{
  "Sr25519": "0xc21de8494c611c5766d018064dba504753cbd69f3565d727c0c77eea473cb026c3d0f236e7b16dfca75b04520a420f470a5b204d4750aa20c400eaa4a2ef098d"
}