Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,574,213",
      "signature": "0xb4253f1469559fc533a7f5622c8eb42d9f28c604e5c94082a973a1a7afe348cb5e49d1a69d40ea2a2c521093e61f2d12",
      "randomness": "0x6a791baf40f5a5cc7e856161bde1691355c47f6587f2bb1c61a324b83e8ea2e2"
    }
  ],
  "blockNumber": "7,413,889"
}

{
  "Sr25519": "0x7c99b9f9343315ba15176de5ce83b512503c16c8b0d91225116fc370cdeaca79db1b8f1e00a344420b81d174678c4e57b25fd959ef6b871fe14a64481a321c8a"
}