Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,557,657",
      "signature": "0x968ca2b3054a9aeed9e43399b390058436bde0e550fbd380c6c8b6f059c4bd5dbb2b4519f4b6bdceb9fd35224d013cfb",
      "randomness": "0x1b0c47cc1b587840531c572f0f7bf17f6d54abf5d29e6a26eb4e6dcef0bf0be7"
    }
  ],
  "blockNumber": "7,409,750"
}

{
  "Sr25519": "0x646f56fa053c32fe3acf940b56049a38b56393618374842c3c3457fae2ae6e2dbd2c05c262e772c1a99e89f7395ff407937ae758ff3756e19bd9ed717a2dcf85"
}