Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,557,899",
      "signature": "0x81980299a430af57f23b7380928b09b7281fcbb89bdb93c366016b420e6ce3a61ba3c5af5dfb219b1c2003c593ca21a8",
      "randomness": "0x8c68e7a9db54b3ee7d2e55d2017dd4aac85bebf675229322740837ee4824c9c4"
    }
  ],
  "blockNumber": "7,409,810"
}

{
  "Sr25519": "0x7c991304fa10b91f02ae14de8c3a72a66c05e308452b7d80baab75b501df105e2c37969095f85514a8f8c0a9be4ba86849151bc089c2b376ea7949a9a9dcc085"
}