Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,548,772",
      "signature": "0xae1b5a1e26edb3944945f18ec03a7969caea68ba45834120d3e2b0203d405941b69e7ffb16acf832ed91fc3b88dc4e06",
      "randomness": "0x285706bd8227e397590ca8393600596db216f8a4e77d5dd49310c2a49c5b745c"
    }
  ],
  "blockNumber": "7,407,529"
}

{
  "Sr25519": "0x0e336ee921bd3191e52a6523f301730c14396bb03596b63489737f78796c236103520df83675782c2b0a21543f117e59d324c46ff5627008ec5856122333da84"
}