Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,557,869",
      "signature": "0x8e6b12cd55dc812ed23efbef3b1d21804cfadc672441452f4dbf4265704846755c6a5f2ad21927f292b983eb73a1df70",
      "randomness": "0x7f991768d3a707d60c64545c1f657c75c5aa7f6e9ec0f0cd555231464b3e5d17"
    }
  ],
  "blockNumber": "7,409,803"
}

{
  "Sr25519": "0x66fb2a51b3c5d3e191cd7f0ca65be2239cdccb5ae983903eb2198f75775b3c2b17c78e062ec52a1df55c3a7ecb1ec243cda9718f180362c85cc582b73c42d785"
}