Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,560,695",
      "signature": "0x96643b1ffa6cadc74c27cb1dd3f8365c880d4ca933cf76b494338ccd40757a168bf01ba1f2c0996accdcacc3708ef6a3",
      "randomness": "0xd16db8ab18df98934ce0f6bce0ec77a66a85836757ba11ff5e13952bc6a4caa1"
    }
  ],
  "blockNumber": "7,410,509"
}

{
  "Sr25519": "0xbc42900e7a8646fed568c7a85b9e5b7ec92a26416fb580943b7867468ab0730741eb1362298700e297d48b46c13d9cb2a19d3c78b0af6089228fb62a51645389"
}