Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,587,949",
      "signature": "0xb2d599d571566110099ce2c82d4694d6035c0a187d2bfd5d2fb14d50c7ed3a34d801dbd1a112f28153b205aef3d42e45",
      "randomness": "0x75fd685c15c1baeda23893bdafbc21beafe3d4a8e3289cddcf51d7c0b1afa2be"
    }
  ],
  "blockNumber": "7,417,310"
}

{
  "Sr25519": "0x0a914fdd219cc4efc9d7d0722f8bc2eb155ba0e30558d3c5c4e21e02c1e2f704402301a6e04d564d8dfe1a0a87bffc9172c7410375f341c8383ae0a9f921618e"
}