Write Pulse

{
  "public": {
    "Sr25519": "0x5ada7b33a4ed49c65c755d60033de7528010eb5442c02ac5500ed22e567d0b24"
  },
  "pulses": [
    {
      "round": "25,552,899",
      "signature": "0x8b5b9512f57bffbf2af8443e978b7da553c82707ecca17e27e50f2e19c04afa8fc7fc245f4fd878f2e6ceec2995f54d6",
      "randomness": "0xb6875e739d7815254ba67ac3a90d4bc29ffe8998da013279d201e57a6f0ba1d1"
    }
  ],
  "blockNumber": "7,408,560"
}

{
  "Sr25519": "0x685e44b090f361ffc0e8d34d06d888c151e9c978537edded4011a4a481cb3d186b14d66a80fa64a1476fc9102d47ca58bfc9a7d347775e59828756089a629c83"
}