Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,637,016",
      "signature": "0xa4ea73109c10eb2123e3404c7db5660737d33c64624d3be63296b573f48f71b62bf49b0ba15b674e678419344d31d875",
      "randomness": "0xf2197cb7d47b4bf4929a2a99c22c9f3d05b2a5ac16c1c8c9365fdab26395dbf2"
    }
  ],
  "blockNumber": "7,429,568"
}

{
  "Sr25519": "0xcc0324e869b0c3204197b9134c6ae3a92bbcc8a0b81e3e4ce9ebf3a96645984cd054cdcb9ba4229b65510176dbea0eb44c30ffd211043a4e6fc30c19862fa785"
}