Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,552,474",
      "signature": "0xa51b6f6e2e38f0bbad5e9548d61d20babc8512cb61d19d6508f37b9f695d7e28d7ec6fb42a2f3fcaf48eaf0ca315755e",
      "randomness": "0xc9dbac0fb273c98449aca418adb671ba0ea9aca57a9e8c991b3e6e96c7ca7210"
    }
  ],
  "blockNumber": "7,408,454"
}

{
  "Sr25519": "0x309e1a91f55d91390f11bbf34d55735525efef79ed971688b4af5fb42e0ff46e593e90e04b3dc8514adcc182354244a3545539e7526259476759286e1da87780"
}