Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,554,250",
      "signature": "0xaa873315eaec079f0e0da85176a88d601e048e0a3df77d059659501a20312f9ac7462f9d458f04cacb17806d48fa9f6c",
      "randomness": "0x5d44d96174c357c115efdbaf45c867ba4f4a7f791e9d567cff7966bf8f74894f"
    }
  ],
  "blockNumber": "7,408,898"
}

{
  "Sr25519": "0x5c120e56f0aae0c3d51e84a794ffdb6c7b14e21a04bd4fe763e03a261eb9ea364bee8ecd11a98c8539db27b4cc8a124737b0f669e7c6d2db4f424a2ea84ee180"
}