Write Pulse

{
  "public": {
    "Sr25519": "0x5ada7b33a4ed49c65c755d60033de7528010eb5442c02ac5500ed22e567d0b24"
  },
  "pulses": [
    {
      "round": "25,552,817",
      "signature": "0xb6c0be7300913868ba22d01bd842bed1a10b6be7942652bd7796d42b747ed9d3554eaf3e1020494f2fcf353141b190be",
      "randomness": "0x4feaf30921b706ee22451bb43f3161a457a0af8d924e296f27dbc4e03132854b"
    }
  ],
  "blockNumber": "7,408,540"
}

{
  "Sr25519": "0x781e6c4ce7c0e3dca724e7c41f645a59ed0583615e476163d40ca95468c8c83b861e24d61fc897ab6725f6e7ca7f5a942e4544b7e070d205f6dd249e59f5e880"
}