Write Pulse

{
  "public": {
    "Sr25519": "0xb43f0fa5b22946e5227577fff32be5f066404dfae24b9a00ace9c51145c22a3b"
  },
  "pulses": [
    {
      "round": "25,548,974",
      "signature": "0xb1b59e8fdf6269b1cd1838f918aace1bacc2f865a2ddde7e7a180af6073aed5c39f7ed81c32bac1da9a8414ff25bc4c5",
      "randomness": "0xd4c1d152529e4055b2a0810837c12564443bce0a28507ec4c63b22e5cb801065"
    }
  ],
  "blockNumber": "7,407,579"
}

{
  "Sr25519": "0xa88042157ce50141517d31388a6032e28d8c1f7bc204cf07cfe34e3d8cd2d71d2fff4f8361c3b04c50d7e8921dd7911f1fe1223fa462d0afa3837db8a9faa286"
}