Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,603,972",
      "signature": "0x83e0725f4f9d4de3efbcbb5fbc0b640bc9161d94cd710e147f3b10329131a3c1061e727591f772dbcf013d787b246a61",
      "randomness": "0x2d8622e366c57d777ba763572401d9e0d700e2950ec6d01f24822ee83100827d"
    }
  ],
  "blockNumber": "7,421,310"
}

{
  "Sr25519": "0x02d5fc36921744f28ea704b28b7e0161288f5318d825fd66f817a3a84ebc136583d62e08ab1daa63db53e69c7ef396ef4e8cc8c08aa6f253cd4e96e1b9c6ce88"
}