Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,567,252",
      "signature": "0x840914b6be84d1856d33277a34eec4b41fce80b6543d53e74261940837d026f0d28e36033fe96b16b5714527181fda12",
      "randomness": "0xa48fdc3f9036e1129810c1058e29648e89b967f64660a1ea459861b115303535"
    }
  ],
  "blockNumber": "7,412,149"
}

{
  "Sr25519": "0xb4f938bca1fbe342156423873d09252f1efcc45fc9e7135c273572f2a652e278b8ce838761aac762959e2c308cd45896d3aecd375f7463c97dbdc225c7f0568a"
}