Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,609,974",
      "signature": "0xb9c7d31148128579d7ff2539d191069a356e864e15ee6d9a1cf4693c2fd283741873df2de08b7f72b210e7b597385b5a",
      "randomness": "0x7c8b237b3e5915ca34fe70dba96fd56b4e531c03e3e4809938d4132951e2f558"
    }
  ],
  "blockNumber": "7,422,810"
}

{
  "Sr25519": "0x9c72facbdb570da3898d9a3623a5858b491225c34ff0698915faafdf8fcfd36b18216b4053ab7fd0535f9c7f9f7be6bd689fb851d35a0ec555c2e10c5e8cf281"
}