Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,537,818",
      "signature": "0xa9d7f5f722234aba844d04a93aa45ec6b9b4c57830ea413106740e076c01380eabf7bbc639d4257909d8936e5c8fff4e",
      "randomness": "0x9846391dd78af8318fbd05b38c4b4a9d1f4c3ffc6d95da0e5f5e3932949d4143"
    }
  ],
  "blockNumber": "7,404,790"
}

{
  "Sr25519": "0x20de4a8381c4441420f37b5274628c297e0aa9583fb85a32b498af046c59af098d987dccf34718d3e8f9e443d3cf5441ed8bccf0ef11f6d60b2fcf3d83369f8b"
}