Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,620,296",
      "signature": "0x892abf8909242d6fa27e0267ce0a0ef9fe9b2cbe2d173f9fb69a877012958c17cc24cc767ad9c3497af0bc501973be83",
      "randomness": "0x4de5aefd9d5136bfd7367f606a938df7def4017aedb74cb077d5cfe13dd5843b"
    }
  ],
  "blockNumber": "7,425,389"
}

{
  "Sr25519": "0xe61dabca0ed6ed2ae2f5ac692299a41d2758386cf26c8c641bc4d7744d6c354695b458b39c1876da8b9cc2fa135c1aaa4cad28a46971d6c553a3a05ffc7a3b84"
}