Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,548,877",
      "signature": "0xa4fd7cac6762e6b44f11c5640c4dec8a2911c38940ebe11615f975460306d7cb6496eb347f98a258428485b8e392cd03",
      "randomness": "0xf9c8368bd4495654c05ffbf59eef4d99b40aa3181ba04eeb787c0cb191d6136c"
    }
  ],
  "blockNumber": "7,407,555"
}

{
  "Sr25519": "0x4cbbc4050a9f28bef01b163dc9fddba2e59a22d2ea5f0ab2fae96ae958d83b50b0ef3388ba016427cbca78d45a90d8929f1283bca6500aceff1d48339f88d784"
}