Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,553,452",
      "signature": "0x8e586ec997e22993af91ccc88f5ef408a84a520388d04c21aebaa4ea6b6e8710fcb1a421c4071d73f0fb5b43f54dea50",
      "randomness": "0xb043f0f648fcf3f41ce12a9c95809950eedab326076757175b0ba9517547a7a9"
    }
  ],
  "blockNumber": "7,408,698"
}

{
  "Sr25519": "0x900aaf7b8a96c42ed55df2495c3516ddef7080a128653f80343666c7e702dd5ff8fe8d7eaf8195a0234efca3079ac36d73cafdb4882f2c5bf51e20fd5010ce89"
}