Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,571,734",
      "signature": "0xa08a0d31989d41fbb2cf7930041a15f8ac897cbdbf3ffbf3d518760f10a99148ebac9b4047522301353767beb9233963",
      "randomness": "0x72f2f67752730675ef11582587dd01402ca1f04bd6f4976563c520fe4ef53012"
    }
  ],
  "blockNumber": "7,413,269"
}

{
  "Sr25519": "0xac0915e510de1f52c339b6e453b7ab2bedb4548cb0ed3f6a81bea919a54784250f1d3028ea7ab8d769d426cc1a19bbe8c2be534e7fda4bc1ccb5e3f5a8d76083"
}