Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,669,496",
      "signature": "0x8713ca04cf4a9f7dfea3932ae5e852932441ee3e20d30968d41ba2ee3c56bfc1aedb4e21db3239f5d1701ff0d7bd5fb5",
      "randomness": "0xeef852abcda5d0806fe4665be18931f554097da3f3a767d3e9d4b09c23aac5ea"
    }
  ],
  "blockNumber": "7,437,665"
}

{
  "Sr25519": "0x1e377653d8d039f17d317d0c1bc16a9118aebf3cabfcf6afc18238781223cb34e95920b5573e1d4c00c895d455cd4832b40f4c9966f7cfaf394612bae7743984"
}