Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,603,817",
      "signature": "0xa70d18e33555b6fb230bf3899f9e386929fbeaca130e7bbef1c81dd5289ef21f0a63474337aa23e72f0670130f3eb4be",
      "randomness": "0x41f249817bc00eab404c6f431ed6371a00de741d6587e6eb959c3be9d8b635b2"
    }
  ],
  "blockNumber": "7,421,271"
}

{
  "Sr25519": "0x4a3245bb0c80b741b228f2f4cf3000e41d481371e1d45fe7a0a043c217c20c5654a582af65cde13b8752132ec6e43f24bd532e6f89d64b1ec75c647ecfef9387"
}