Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,556,457",
      "signature": "0x934f42526b14493ebad5e90d43d2edead59dbf2604caf03a89c21a353975f6f30c88e6837e9ed0b622b55013789c998c",
      "randomness": "0x6ddd2e24462545b1d342c628fbfc98e99b099aa329faea1b0cfa9094eea372ed"
    }
  ],
  "blockNumber": "7,409,450"
}

{
  "Sr25519": "0x286610d5ba4c8b5b6263eb15dddabd692d0a442751d4e549f13b2771c44c2e12906d89bed6f85dabaa68b5f267de0a284433e57a13a521c881879ad80ec41185"
}