Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,579,576",
      "signature": "0xb43215778c472ba38062d16772d39314da39bd038c0e84042737d8ba377c21fcb8195bdd3fdf5cff0c0edb3600af417e",
      "randomness": "0xf6ba63313f0d8d351f049eec9e6f73354d28f77d6b0b552fe18a0c3d5bc1da7b"
    }
  ],
  "blockNumber": "7,415,216"
}

{
  "Sr25519": "0x3a76ce2bd1fa91d2527cdfe75a576b1abef58d55d51418b847acedc501c343326c1df83771db36fa91416d313ce2a9b80d0982c11076c0e2d1aaf013c90a9281"
}