Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,558,140",
      "signature": "0x94c245b74f3ca31be596fcfdb3e607947b56043ca05e43701667d664d78ff708713ac46169fa247be6072c457f594a06",
      "randomness": "0x9d91d80e98f943a31a9dd00032427dc05fbd8fdde83530f0326b37c91a6826ed"
    }
  ],
  "blockNumber": "7,409,870"
}

{
  "Sr25519": "0x782d3d8f344f446dc997bd82a0306b1eff1ba24067c368ee0cd3ea336a6ffe6d39dfb6b0685d8522bb635378fb87cae5a23eb3a803bfa1fe8a657d570fccd188"
}