Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,552,209",
      "signature": "0x8850cfd9f8998a27b7bb876721a9142ff5b64073c9242d78c44d87ef987005e5483e055d3cb8fba89d44c9903a1a9ec0",
      "randomness": "0x5d8b4cacfe52533e65f41d8dbb3744b526bbb2fd214489033bbd5ac27a7a432e"
    }
  ],
  "blockNumber": "7,408,388"
}

{
  "Sr25519": "0x64ee2c687d92332ef2377680ec0dfe1bd50fb72ba0db8cd72e9d911ce24ff66a83bfce18aadda69e4cbd00dec704cf693a5d8a28fbd3e4f4c60768c02291418b"
}