Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,549,256",
      "signature": "0x8ea4460be39953beb6e79cd947c851318d4fb006e9364dbabc7ceb8c4937832a3e882e6aa47f45b94cec9b6c9671003e",
      "randomness": "0xa32369da19bdbf002c76e75070c8ca350145c8a2a4f88ee0054080d01dbe81c3"
    }
  ],
  "blockNumber": "7,407,649"
}

{
  "Sr25519": "0x5e33efe1dfb5a6de7a2e821e05ef98e94d4b2add6e5c618f19d61bb5e3ba1a3f92fc564ca55a3e941561c0805c06bb6bfd92b19ae38b981621f0519ac217498f"
}