Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,604,791",
      "signature": "0xb8e8ea38eb6297dba1433ef0c1a49e1c265cf0f88f0f08e9d4351291a38c27075ba0a5dbdea530407255b36115044a24",
      "randomness": "0x3d8f77619426073270fd36d84c046619bf072ab312ed597984fc05d3318c2652"
    }
  ],
  "blockNumber": "7,421,514"
}

{
  "Sr25519": "0x3875f476ffa09936491e5bdc2f68652954319e2f4c43985036b7340ad85c45352b46e8fda4299faa723892222ac22e05a59e7db423fec5de2644d8a9c66b5584"
}