Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,539,256",
      "signature": "0xa334c8da8b5ff6379376c9047ee9ae15ba3e37265a2456f341e5019b3fc54c688656932aa897afe692d0b780fcb14a9e",
      "randomness": "0x2a2f4791667b547e0c0891d08bf4b487d772d368dd6c2846a2a2af1c3254c3f6"
    }
  ],
  "blockNumber": "7,405,149"
}

{
  "Sr25519": "0x4437bfbb42a210af5a152ed3a4698d2b56a5e82127733caf86fd43ad2b4f3249b52615b3904cdb0234d6dd50e0a5e8316aebf86f8ffb1f11d06db49604d4da8c"
}