Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,572,694",
      "signature": "0x9993d7c2e25caaa4af5457abd54899a0afa29742c73ba7dd75fdcc8c3f5fedf7ef035d4513ffaf87990a2c5bd9f2977a",
      "randomness": "0xed5600103e6d322ac61c6cab69475e7b70ac78e502fa5bc27aba63600c11f86c"
    }
  ],
  "blockNumber": "7,413,509"
}

{
  "Sr25519": "0x180c8172f2c6a0d06c5f0845718c42219e5485d5e062b57adfc44fd089fab338437db58a4c652ae3e75afbd4ac0afb3464b9ea560d7412b8a4cf2059cb20d889"
}