Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,657,612",
      "signature": "0xb70c63e86ed2233f6c616e556bb0aa74156c766d89e7b54d6a62c4cae5df0018121e99ff98d793a9ed8b4db03047b05a",
      "randomness": "0xe404f90c3b70c3a53bde1f333b0a6529445de18695681ea6bb929d35d786a9c4"
    }
  ],
  "blockNumber": "7,434,707"
}

{
  "Sr25519": "0x2a8129d6f80fbf3dd895de11782a23b1a4ac6bff6fdd35e4a909e96bbe2ca96990d4f3a9d832ed18518a1e02e0f154bee6296073ff0fa7960002ba7d4bc2b885"
}