Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,564,215",
      "signature": "0x83eef79f807d65560014e4cbf34c8dd42c07801cf26c52c523f02040724b959dcadf9ab4f67af77a5e6fe30b03325e76",
      "randomness": "0xf1245380a2513eff11f20b09c137afff93da101d5e3447666489e14fcb6c12c9"
    }
  ],
  "blockNumber": "7,411,389"
}

{
  "Sr25519": "0x303556ab8d5d598986e0b9a7a5f1b722c319ffc88f9b7a82733fb8b7a38a0219fe99862f90d8fbb7242bc42eb133c5970d8d005a024cdf468a78a9ef220b1b8f"
}