Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,545,301",
      "signature": "0x874b055dc8585fb5a66b1d50c00f1ed240765e7ce7933ad6c9a2aabde4be7fbc4f8e167bbf0d44e1cf802d88841c876f",
      "randomness": "0x761cc849997adba7b873d632b5e9c9236d2ce2e170eb8883fad27327b11c7b6a"
    }
  ],
  "blockNumber": "7,406,661"
}

{
  "Sr25519": "0xb666e7c66562fd5abd044497e579330a7446a3132b35d743bc722ae18f4cb243e998e7977c37874d5a194e73b6910c233912aab122cf46a196b085cce4f4f08a"
}