Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,588,874",
      "signature": "0xad803c0ddfd3e0c189fdec7892c94790dee6686f3379d8823f41fdfe579b9c0edbcf656e34e98552de1b484729873dc3",
      "randomness": "0x3771a66940b7994b2bc43aebdfeb624f5b98ed7fc537860599950f366a688b31"
    }
  ],
  "blockNumber": "7,417,541"
}

{
  "Sr25519": "0x76644fdd9aefe15a63c9273c563bf2343e82afbff892783ab771f8310c2059403eebafb194d993ee04ef10c3d5f03050f57725387860f3dac32520aa0b333881"
}