Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,602,693",
      "signature": "0x8873356b599ab1feb762e2bb06ca9f2c71a4892c976b214e81705814ed42ba9e99f1cda56ae58b24ae655c4380166be0",
      "randomness": "0x3f4579ae05ca9e172e3e76190bc09b1a1855622a2a21b30f70e56cb4684a5787"
    }
  ],
  "blockNumber": "7,420,990"
}

{
  "Sr25519": "0x3a4b72ad61241b4d48451bd310b75847b621872d48202a6af8695cc1f33a0576646bddcfb02d71c4b83804eadd41862ef47b5e23f44d6d7c0b2e0a8d8366ab84"
}