Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,557,140",
      "signature": "0xb6701c006157f874f946ffc63e27912592857a881d504042a6012d42d405576f52ad1616d85df1045f90cdf91929300b",
      "randomness": "0x27e3f4c6af876e0b50a84959050d5d0cb6839c7fc1c8141c6f6649d163f0c6e2"
    }
  ],
  "blockNumber": "7,409,621"
}

{
  "Sr25519": "0x76b539100b2367bfab7c22087eb0c88a62a714c1bfc9b59e58a4e29847d6eb70fb8807e8b552238b7ba8253ed6fc45cb9be554e24b0db739ff290eedaf973d8a"
}