Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,544,374",
      "signature": "0xaaf1297ed936ffe399308a0d3dfe91bbade7106b3f153916e8878139a48e0e285c7d12f1e92dabbdab920a6736189045",
      "randomness": "0x834abe1e9f2e4defd9a89e292bd369df7672cb48696879a4ab9606ac87786d17"
    }
  ],
  "blockNumber": "7,406,429"
}

{
  "Sr25519": "0x6ca0261c4e776c81f6f457798b3c476a6c0fc35ce9474ee6e2b3c0b2af05f32a3f13e7f274f02ce9134557f582011410df4d5f8c67b911f9a25ce09fca1c6781"
}