Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,557,171",
      "signature": "0x815fa0468daa9894a7337fc694765d6c6f587e724c167f5c5db01c8985c5c50cca511d41580a4a6768aab6f926874528",
      "randomness": "0x217950460865f7df6bb85c1e3b20a65a046cfd1642f9955cc7375fe0056e52bd"
    }
  ],
  "blockNumber": "7,409,628"
}

{
  "Sr25519": "0xec647de3e92658b9f5664cf8b5dcf26596b067a2d1d28bb1b9ec8f116ad3c75e50d89d48e287d46d3dd44453158ff95e426e043f651a87e3d5f7c5b4d36e5e81"
}