Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,550,770",
      "signature": "0x82353a896e73c3e4563173b962e909cd061c36015cc37781430298d61bf9f6fb5224b2807aad599773c4f103b4b5bd40",
      "randomness": "0x49607f08fc72c5e6f4e15bf1760e97e42ef89ade48031686a80434c57bb5dd0a"
    }
  ],
  "blockNumber": "7,408,028"
}

{
  "Sr25519": "0x64315ca115158e4258fd4f11d9a2c738301d371888f70340b788280924ceb372ea94986a0bca456b8b841db43a5d1c6cf9b066cc7aa65e8fb40927ad048ccd89"
}