Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,552,874",
      "signature": "0xb1dee9f2bb76428200b02a0f7fdd1156138c88e0a3ce8af69916458b11cd0552a04103689b743e8c9bd341d025c2dce4",
      "randomness": "0xf35de78e83e7f1e55c733fd6588b188da1e8134290b69b251ac38d8de30fe02f"
    }
  ],
  "blockNumber": "7,408,554"
}

{
  "Sr25519": "0xba740a80dcb618170d0ec08fd7618385958e6981343ff2a84442daf97e42607daa641cac3f36391d64d9fd384560221dc3f62192b09e152c7c5343463e3d5488"
}