Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,578,309",
      "signature": "0xa09d6337c4b5ad27b38e20d9219c0036eb3ae28c4c1dc9572b950af6f1860fbd2c0be9dd2d57f0ce1fc04f0a23a35e8b",
      "randomness": "0xd8e764f1bc3456fca6e24675b65382012b7aca7a747699c7e36047971369e9a5"
    }
  ],
  "blockNumber": "7,414,913"
}

{
  "Sr25519": "0x780074846367f70752b78f4a59eed3daf97adca1218cabb181e26bc1845b6e53e4ee90b4edcef934f2f3301e1e8227e75c1e08d6de120ccd751d654bc979c08c"
}