Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,630,703",
      "signature": "0x8d36ce232a35006543780dd892fe2379cf09466b88149a2717e9798bba7c6f96a0c144f13d506699c51425ccf7992d92",
      "randomness": "0x02611e76114d1019feec836d1c21be9a5bac10216c697ba06ac2d3af9d773914"
    }
  ],
  "blockNumber": "7,427,990"
}

{
  "Sr25519": "0x56903746ecadb735248050e545146c73e915da4dea878451e6836ff6722ef86079cbdc9a8a6f1f823594620e99ab08bead9f656ecdf147a522816bcb4acd1086"
}