Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,572,775",
      "signature": "0xa9b45474a3640345f857953893b4524a6acd0ae650765319bd59681c7c70b235ffc021efa581381a1f204d9ad39b148c",
      "randomness": "0xcac90ea8f4d4c7976afe65b8c21e7bdd79030c9d4addd3a7be37027e055f7853"
    }
  ],
  "blockNumber": "7,413,529"
}

{
  "Sr25519": "0xc69129ed3f6793459bf2e6da642c89089310f244ccaa5f73d5894c56a26b5d46026549da6ee4b265bebb38f47ec56a2aab07c61d21c8ed15a298591f767a0e8b"
}