Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,557,126",
      "signature": "0x88388d71fc81e254fa7373c3bb3a34609ba844681e7a4e62f62f5b43e0e5504e28713908771182036c6a28dad87c448b",
      "randomness": "0xe060927f9d68c81bd85e395dfdccf621d183faf899d4d1af964cad501d446039"
    }
  ],
  "blockNumber": "7,409,617"
}

{
  "Sr25519": "0xbc5284b7798f52927db693e0692c9c6a09695487c640485d476634180b1a473f64034219d864dab4a80e42f49482739bc3b4f04da2ac523d52a2415948c9f38b"
}