Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,666,454",
      "signature": "0x91419e375cfd4dff28e697da7fe8eb8b13c061178bad97e77307522ba47b333b5c32c18f776ecaad9fd503c1820c1656",
      "randomness": "0x9959721a597a066723f62a87fd44cf65d920759e8f45245a574112fbd0879a02"
    }
  ],
  "blockNumber": "7,436,905"
}

{
  "Sr25519": "0x4052ee292cb7ddb77472f3571f289580eb67920373acc08532cafd96fc07182c4c43867e1c03386f09c5d86bf79ff69f72562643872ab081eb6615ab1ce82384"
}