Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,578,971",
      "signature": "0xb26007111ecbe5773dc2fca4dd33bc1057aa514fb36d6834bca0b0cbd2e8e76998ccebaaca1456fced6e0be129545f56",
      "randomness": "0xf6de0361e2c8bf0490b61e0f9fcc8abd81323e11524244d35a5fe15d2971848b"
    }
  ],
  "blockNumber": "7,415,078"
}

{
  "Sr25519": "0x666ce3e25d50bee1f612ad52b4188aaf3891016eb1de1d3dd866f1a789fe4e1a49b1a7e78f68b6ac4cc88bf2293ebb41479550bb6768c3d967a7ad1db275c586"
}