Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,588,319",
      "signature": "0xb8cfe447a50d67f8fdf209297febf140cf60b93a8357788e695934431bee59b89f86f75329f0518978241a62db1b765b",
      "randomness": "0x6669abcdc99b504f5bd92c820a8552818e6f23a5060f91bf8b7aa40c48b7d6f9"
    }
  ],
  "blockNumber": "7,417,402"
}

{
  "Sr25519": "0xa2be547bb3ae368266f019c7735f7b6e00605810c390868fe08050ac016f61008beb4b19eea0bc74ea57a8d30344399f596a5f42e3c6c5f8aa829a45e52e2789"
}