Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,555,176",
      "signature": "0x8fb1d37ccfa358d9ef10a5f4e8b97af5c421a3b8e12630e8c1ba91255baed154f8e66d43ac96196bdd5fcfc9b6c20a89",
      "randomness": "0x15f5757fd2bd9b11e8739097990465b17ed5977e491819ca4c1de8b05ca65791"
    }
  ],
  "blockNumber": "7,409,129"
}

{
  "Sr25519": "0xa488049cdb5ed28ec3813e2119dd517e102b53407f972d37137cd819885b4f1c599afd27fcfe2c8613ae8865f111e9a1afe656f6396b8e0ed3843d4bd0098981"
}