Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,548,457",
      "signature": "0x8b3cad891dac511c2f05c9c40b454a789ded7abdbaab5845b2403225fb7a01b414b39d1918658199b6d16128350e7174",
      "randomness": "0xc605907819d00d0e1b3db9bd4728673d97e9b75fad2bf5aaf9065d4864ad053e"
    }
  ],
  "blockNumber": "7,407,450"
}

{
  "Sr25519": "0x7c565ec9f01c8aa4c4e38674fdaeb3018fc32ed6006848b6e01f82c4955c224ce25fc015b6c64cc2714887898f7374a366e934f713ab07bd1d7352f443403686"
}