Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,540,890",
      "signature": "0x87bb2ae2c70bc8a074973431be9c435407bc75a4141a102edfefb0f0d3159241769cc0df01066ead3c50f12f623d6614",
      "randomness": "0x2b61b98f15bbcbd22a37cd6112188d48063cae6b77da071338a4c78c06c97fa2"
    }
  ],
  "blockNumber": "7,405,558"
}

{
  "Sr25519": "0x3614f99c49dea2885380007d83ab1972c909acf7a5ce3530e2457872be3ee15c97fb75c8d47658c3af167aadf962e9ce15435c6d2366fcf7507fe6745af9aa89"
}