Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,612,134",
      "signature": "0xb7d1ad929075d02fff01b5a6038ceb72633a98d676a5f9ece7f66092e695c5888ab9dc3c32f688eb5d4baf9943aa5dad",
      "randomness": "0x4fbc986720d37e877bb4e01d9fda4f00ab20ffa34ee1004fd28f30424e3ac46e"
    }
  ],
  "blockNumber": "7,423,349"
}

{
  "Sr25519": "0xb8dcd9b3f9be3634c29573c9cb593d7d81bf96c2136efba13ace24c5c52cbd3a1a6af24ff8cead30ddbf7ba11298ff1abcf3dbcd7ff7eb818250babf7ccb6686"
}