Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,564,453",
      "signature": "0x87887e39879b7adc4c903ef119d4bdc398883858b4bfdb02d2a28b9e2a547216b627d3aaf03d72ac5a4c79def14e36d2",
      "randomness": "0xbb952deddf7074b3f70daaed8be71d9ec4fb8f002370cf5ac08084116928cb31"
    }
  ],
  "blockNumber": "7,411,449"
}

{
  "Sr25519": "0xb426079234c8f5ade7c55b17e12e2d3fd0f8bded2a540e0aee6afc71e79af21368d20f806d176eafd921cd0417f3c3eef1660982195b4fda310aca0ada890f8e"
}