Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,670,215",
      "signature": "0x92e46bc917551dde746b42ff920b8d7aa9611096e6086a4c34d33e07155b77d3f9015f4175947f62c6eec723f47386a1",
      "randomness": "0x742a92f2751c9da05c6da4f43c948d285a9262d89c82f4c58a6cb137aea621e0"
    }
  ],
  "blockNumber": "7,437,845"
}

{
  "Sr25519": "0xb40a7e2fcb1a5b4fbe929a26605f304b77ddad888f4eaa47bd055c346aaa7e31049a7741a9c11b0772aaf5d0923384e2fff332aba4f0fdcec307ce08b8cfe78b"
}