Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,546,246",
      "signature": "0xa8390d7fb086e1de0fd470c7a1b0139eedd5c37702e0c8531e0fb39a8e9df95fbec4d19814ea5d46303075c4f6863c6a",
      "randomness": "0xf69e6fec2e137c48e65d12fa3db0012bfb20b0ba5d00b6e748b7424ae0ecf911"
    }
  ],
  "blockNumber": "7,406,897"
}

{
  "Sr25519": "0xe4fcf28f561bcf6dd6d5848f9871abe966f325f46220f8383b86071a67c1973eef58f714ccbb8fde790ec2ce2736a7c533762ece6ce44931759a0152cd830e8a"
}