Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,566,512",
      "signature": "0x839ac3616819b6bd751403ba82526c0594365c3d02aa4eba7c6677e59e2493bff948a499459964177001d3e02973a78b",
      "randomness": "0xb330a0407e7b0cd0b89a51c73ff4fe9cf6aaedcfeba93bec6120b2090eeef504"
    }
  ],
  "blockNumber": "7,411,963"
}

{
  "Sr25519": "0x90afde450f80bd071d9779facdcb7a7aae719ec5c208da281014c4f1bb6d024d82ab99476d4db14f0fe306ba4589d32bae032ac6d1c2d283f9d85fd265f9bd80"
}