Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,558,781",
      "signature": "0x80418ad7578a256c700294c8aee52a35ebe035c8f7b3852bd12194bb02cfb966c483f9007fc9349d1754bcb1cd0eb400",
      "randomness": "0xf6a5f8463cf8d33def026dc42030e4b32a896162f40500ab4031507b20833ded"
    }
  ],
  "blockNumber": "7,410,031"
}

{
  "Sr25519": "0x74c818c4f2752582773e3d98c5b553795e41ff3a0c79a3b1ac2d1f534378112b9f804d768a6cd915f7e7447be19e64ef5436f82649ee4b48dfcc332d208a1685"
}