Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,583,415",
      "signature": "0xb4f807a113c61f969573f9fc9b629cd10b6d4304a049981c0b4f8c73e870a54ef010b9e3e0d406f9ff08268742d82b08",
      "randomness": "0x1e074c428dd776088b8e57a5153e9fadb134aa18f85bac81945565e989db37ac"
    }
  ],
  "blockNumber": "7,416,176"
}

{
  "Sr25519": "0x78c773dcdb3baa155da033c27874a1df4911a243bb67e830b879cae10e96c75de76119e19e58fc52e0938f7c8c1da28a2d3a7d373792d20c4a170ed318993288"
}