Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,568,216",
      "signature": "0x88ca461aad3fd389f1dcceadb8116f04f0693ab9a2ac9a2b5f8a6924eb9205bb1b2f278ec6f4a1c9e3f236e0aa955448",
      "randomness": "0x76216f839e7a73a3241d343b58a626432f36f4425348feb921e402d92516e275"
    }
  ],
  "blockNumber": "7,412,389"
}

{
  "Sr25519": "0x74f32b965523450b055ad5dced7323b7c461d9ea3a43786971b093f009662742aae2726e15517f9a40f243e653cd7909225607cc1a1673f032a394ba5eb60d8c"
}