Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,576,569",
      "signature": "0xaab4bc051c53da181745884e7a26a9621d79c7a94bd28b25ec0b5c3804783f18effa4cc782e63ef4cf5a373c1703c74d",
      "randomness": "0x456a522d991951bbe515066230dda04ec85f2c0a8d8a37b6f6d895a5265b45b0"
    }
  ],
  "blockNumber": "7,414,478"
}

{
  "Sr25519": "0x56b487ec1553fa0b5968a4876790ad8961e4143316de6ba7c8c982bcff7f0174aa82201b7544851670bfeaa2e29d4ce1ae1384e02f4810a1f4667d904e16f189"
}