Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,601,254",
      "signature": "0x98cf61a99f0605b99c84a3a3d9477844017d8d5cac4ce639af12f050e3e094ae70b6fe3a124ff951312f956c9f5adcdc",
      "randomness": "0x20a4fe355ed552cf566f90a16ab6af71ff96191679c773e7defdabc5d129b768"
    }
  ],
  "blockNumber": "7,420,630"
}

{
  "Sr25519": "0x22446668ce54c7e9438b41cfeb39fc2a62f0447b2a6c79aae4170baa89e74461854c2d9249c47931ab5944aa47068ef0c9839f6a32e1ca8aa9b92be05184ca87"
}