Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,544,292",
      "signature": "0xacf97fb3a5135d55a08958d2c8fa2048fc21c8245022e39b4da7c5e36e3732c3c9e88fd68ba97497258fdc869f328371",
      "randomness": "0xa897c26ae1c1a77f331890650062ad334c71859f87750a054f356cbc5ccdd39f"
    }
  ],
  "blockNumber": "7,406,409"
}

{
  "Sr25519": "0xdaad2909c3ab9419cf5bc69a39000e78c12c26ad766b83d5170f30ce27ffe75b39f3a634a750df9f1af78cb9d0700d06929f7a58074970255b7e9fc782bed98a"
}