Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,563,149",
      "signature": "0x877dbf7176047208e677e5ee8a552c26735e69d087489af82494d140e1cb6e59bb99af508eac58efd7bd88e3e07eaa6d",
      "randomness": "0xd3e047af92431488619326bc6038c610a7fa1d3481a892f5acbb1b42a64ed222"
    }
  ],
  "blockNumber": "7,411,123"
}

{
  "Sr25519": "0x5e709803749cb2ce23cc686eaec84886f1feecd128a7c9ef65238118d0ed3b2860272e0b3395fe8de4655f23d2b06a1a1a2f90cf2d498b9f4d191929c479f68b"
}