Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,557,141",
      "signature": "0x90c96da62d0b5778d16cf1b78fab4537f304cd0388553d76792c583230808e40a454da750c62e50fa3469dd995ada249",
      "randomness": "0xa7f2ca4d85db56cdee7c3d8aa1790419900420c1a8de9ec75439788201a3523b"
    }
  ],
  "blockNumber": "7,409,621"
}

{
  "Sr25519": "0xa223d1cb07cc160a43d2f7e52860ee134215848bc284fd149db4a2e88bf51e5025083169eb6f09c43c04711be021af95bbba9dda14d3d1c754ace014d6ede08f"
}