Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,547,012",
      "signature": "0xaae7c472896fdc1cb7e9acc2064d4148683f66ddff3657847c0c9f359b9c57f3022b3db3f322f80f504a36face73e6d4",
      "randomness": "0x84e49108b492f04641315fdb7324d7aac5754dcca05c95736ff9c621227566c5"
    }
  ],
  "blockNumber": "7,407,089"
}

{
  "Sr25519": "0x8a7d44b900e192ceb093a9e32a6a7a6d750e969056bc9568159e89748d7c9d7d16a2c5124c7a734d0d39d7572eada6d99ae11fc88954de2d444ffbf4a6e0ba8b"
}