Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,550,540",
      "signature": "0xa1b3a2e825f2cbef348aae1768cac47cf425da3a3593b587de7f5e78992f55b3811a5b59dbffb079d25e8a653a70b256",
      "randomness": "0x4764d0461707b4940f6cd40c9e74b54d9196229b82141c878d837d990112403d"
    }
  ],
  "blockNumber": "7,407,971"
}

{
  "Sr25519": "0x025d80e6d894c9f32ad827df19da3e0add95f71073ce65395058eb65cd49d50e330ab6acaa1e0a8211bd2ab5d613ccb42a507b733653acc75e52038378e3e484"
}