Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,554,477",
      "signature": "0xb7d98cadb75a95b248b835ce9b7b9267541d8f9152cbdd703d48f1be36001fb5120f4a788726206dd75b2c9d71972f4f",
      "randomness": "0x2f7fb69e216209a51ce5b6e00aaf09d5afb757fbf7bba6110f81092eafc7aa80"
    }
  ],
  "blockNumber": "7,408,955"
}

{
  "Sr25519": "0x621f3995cbb0ae0ab0132703d46036131c9d66c3d025e29ca343f61ae619aa7785cdba1752aaadc77cf8506419c225acc5c689e28aa531cf01c9a2648ba79186"
}