Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,553,496",
      "signature": "0x8e758c64d97d09dec548135d08c4b92955f6b5f6d18cdb7023bbde91961190a8f1210927bdaa48ccb7a1ad8ed3be53a2",
      "randomness": "0x9a38a2b2e0f0794a8612709e1b8564781fdab3ee34bf6e5d18fa21ecfea50bbe"
    }
  ],
  "blockNumber": "7,408,709"
}

{
  "Sr25519": "0x78b01addb97b68fdd7ab085dc1ba5e823fbbc91d29a142bedb1cc51f3deb1b34091ce54fef290468d8e8288b7e61872ea2205e3cd095b11a8c90e66da57f0682"
}