Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,616,750",
      "signature": "0x82622654dabfc10a21cf71eb51b4100d02bf5e65fe9390c0552ba24a0454f73a8fadd480613ff4d421d1fb4b8387e690",
      "randomness": "0x8113fb5161bc889612cd5c970f0f822de133501b524b69939e8571690fde0577"
    }
  ],
  "blockNumber": "7,424,503"
}

{
  "Sr25519": "0xf4948c76b51f55ea4ae919c6557287f492f9fdde055f695095904b3a77056302a41426b5eb73f9021e522e1396f7caa9be034147214a08e1c45fd8bf9998b280"
}