Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,552,614",
      "signature": "0x918cd175a2c97e38862ee97ec47ce15cb9098a638282e6a47dd06b05f9954d81da988fa25dc42d72ecbdce6698a725fa",
      "randomness": "0xbc80b4d29ba95f486788c9fde89696c05506331b516b7ed9cb57e1c6e357c608"
    }
  ],
  "blockNumber": "7,408,489"
}

{
  "Sr25519": "0xe214a85b090a6dfa4b34e157ee1ffef95ee4c1ab9dbb54c43a11a60b946e7851682c549b1469536fc6db504421e7220af41b9e3713bbada931d862c71bbe2289"
}