Write Pulse

{
  "public": {
    "Sr25519": "0xb43f0fa5b22946e5227577fff32be5f066404dfae24b9a00ace9c51145c22a3b"
  },
  "pulses": [
    {
      "round": "25,558,176",
      "signature": "0xafb0d64e3c765c4c2e92d9fddd5294fb0054d76f2db42fa0f8b66b13f3fff80c49da5b8b7df3c2684cb2efe5b018997e",
      "randomness": "0x01ffed1bcf7c86a5e6ebc267f615658194301e3d82ef3d057d694d1a29c133e2"
    }
  ],
  "blockNumber": "7,409,879"
}

{
  "Sr25519": "0x9a488df7226adc6179cffd4e9a92e468662f33b044bfa9cd0f69b3a9aff5e950422eb9c494339cf5113ed44cf403978ff45d1c757d57de7dbc4f8216190f158e"
}