Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,602,309",
      "signature": "0xb863fbcec504e2d27e2019071a50535ac645060c7eacc813045a34d457aaede319f69e4677084fd0f0abc82748b47647",
      "randomness": "0xc8eec8621d40bf7044d7c3a23c1d57579ec37d636a475f2f545ad1939a2843af"
    }
  ],
  "blockNumber": "7,420,894"
}

{
  "Sr25519": "0x12e35369db94b777e521d5925ec4726ce5f12a3a903e7b5e34d6d0ef3e64cb6e411c472ecad1d044c6023cc9c05e379399ff035cdf4a62a14166dc59919a9e89"
}