Write Pulse

{
  "public": {
    "Sr25519": "0x2a95700579638573152cf41d600ee9962d8c1ee400eb671d9306a8987c1d564c"
  },
  "pulses": [
    {
      "round": "25,540,687",
      "signature": "0x87f6de04f85dd3b6404c9dd87ea4f05a1d9e53243d85f44c64e064329738d2ebd9f01d863a48dc120032fb4c196a2a60",
      "randomness": "0x00c55bc8c9a6fff3d955ce2868ed4f3ca2675b0ce0657aa36063e498be4dd418"
    }
  ],
  "blockNumber": "7,405,507"
}

{
  "Sr25519": "0x50d51a056553868548f0894b13abac36e7b80bba7b9ff967da6a0e203cb8c67170133615730d64a287445374302db6442eab5dbe67e459a85ba4d8e6614ef180"
}