Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,620,776",
      "signature": "0x88272cfd68511005e5b98685117b7bb418a5ea3e1eaa921d9342f0d9e766d39fc867103fac75ca5375cdab83cffd535f",
      "randomness": "0xf43c9a8a0f0786823a1b07fedc1e74bbd6d58039a5b358aec55914f4bf4b5b9f"
    }
  ],
  "blockNumber": "7,425,509"
}

{
  "Sr25519": "0x22fbca8e371220792093942c4c2b3b762df243d3b41c723ea2a4f2f74337cc071aec4cd7a26301abb930705bd8a91b6daa2e66bafb885fed5ef784a544c2ed89"
}