Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,589,735",
      "signature": "0x9896eed5589430bcda003289223345877e7dd489b3d3df64bef07b8d57daa5005ef4e45bbfa01baa1a64d9d043f87e57",
      "randomness": "0x8a1b576916f37041d15a90d3bb6fe619c624ebeac12fc5636fe87267f85276a6"
    }
  ],
  "blockNumber": "7,417,756"
}

{
  "Sr25519": "0x007f7aff7eec8086be2f87f4e87cb7677b6ac9e8920156e1c7afd8c855d23f31a213536ffe7814b64fec21b5afef454b0cfe84f68f4ff77f587a5f734f656484"
}