Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,544,376",
      "signature": "0xa7206d219ada8acc6c145e62d397043cb2f9d9513842bb15340dc4116080db326786c19a6d507a0821cd2d8a7b41b474",
      "randomness": "0x876e5062f0baa21304c761fc40805ed67ab02d5fbdc33d8f1fc0d2e00f7f46bf"
    }
  ],
  "blockNumber": "7,406,429"
}

{
  "Sr25519": "0xb03b968ab36b75d56490d2d928f1f8158c3d8026efd9f9abe682d337a0a84b3d5c296ce5843a33ff02af3ebd617364cb418fe76b642f150a875c3696b1ecef86"
}