Write Pulse

{
  "public": {
    "Sr25519": "0xb43f0fa5b22946e5227577fff32be5f066404dfae24b9a00ace9c51145c22a3b"
  },
  "pulses": [
    {
      "round": "25,556,494",
      "signature": "0x81b1aac34f0e6fa7f5a222fdf753abe09863b2501b6c895e6de018691aaf31506a7125077837bf36f6b612e8772d6a59",
      "randomness": "0x4b8646724983951525259b6b3c458efac2d4a22206ee671b71d24a971635c003"
    }
  ],
  "blockNumber": "7,409,459"
}

{
  "Sr25519": "0x2858d251dd970c87762ee55a3f796936f71d5968212fcbd94df41874f454772b0b6d71877a74399933b639e5161ba099c9d10e0c59b9afc4626991a594f40982"
}