Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,568,214",
      "signature": "0x8f6a2ec0d46621650cfc8c573b9822fbe547d1a4fbd2541c9efac1dc586855ee9178b812c7e0616cc401e7e3b6b1496c",
      "randomness": "0x551ce8b2836569901c62deab108238bd982727d1a0fd22e1f1c849b21e15e57b"
    }
  ],
  "blockNumber": "7,412,389"
}

{
  "Sr25519": "0x108e65f4ff6039770839e61e87f6a0c3c0a8348dac4a6ace6f5a9dda54ef563a35dde569f732fa95704797a8328a7d5bfbb7873e1e2d18d98765c711b65abd82"
}