Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,667,852",
      "signature": "0xaf4293f436f9170b9fd538209db816b6267ce878d748b0915686eef3392de0890bc3c5223231a5875bcdfdabcf2fc73d",
      "randomness": "0x9a4d865776e7a0fac46a9eac48be6e2eeef498e6e8b036d75b0c31e5045d3eaa"
    }
  ],
  "blockNumber": "7,437,254"
}

{
  "Sr25519": "0xb671fbe7985e256a8ce78d54461653fbec3742fc6f3d6797f8595ecfc92691735f3dca74e39e65314a2c60cc3bb73fe8e7fbc2418c355fdfbbbc78dcd1727286"
}