Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,582,454",
      "signature": "0xafb71c42ef05375775c5ec7201ac3d4d349dbb21b7a2961b844e26ac216e739febcc1f2922a4dd060391055134dbc542",
      "randomness": "0xa6e1dc5f6f59b92e1e70ec0efc2abc079817caf157ca7631a421b8d5df7b2d14"
    }
  ],
  "blockNumber": "7,415,936"
}

{
  "Sr25519": "0x78e7f5aa1f125905d54b04030098e5202f4e6322603ce60cbf40f5f17152d72944bf8604b4fb2b56c3f355d46b6306d17606d5d304fe8c5bb438edd1afeeb780"
}