Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,574,851",
      "signature": "0x94194cf9b3bcdce97a23696ffc4f8a45c98952a3e900242ecf62f03295a0c61d6634ab2bec859bddd5ab1499edf28f14",
      "randomness": "0x195b6719e91fcaf02bdb554f22bdf3c0bc801a0764de54f68f0a47fb6af5643e"
    }
  ],
  "blockNumber": "7,414,048"
}

{
  "Sr25519": "0x4c9b8cb17054f97d18fb3fd525a681deef0cd8af3fad492048ca577b1c389c2eb22d5f09163430065abecb1569b7b270e0878e6486c46ef2aa3181c95e98388d"
}