Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,602,534",
      "signature": "0x8b12377c25364cf1257bfc1aa5682868ef77698730645a4891cbacd6ce1e5c9d7e67efe8957c0a85693869bdd1340682",
      "randomness": "0xfc358c2ba3caf3e9f5bc34894b94bd00572fcc8ec19fe5aa7955bef608c6d656"
    }
  ],
  "blockNumber": "7,420,950"
}

{
  "Sr25519": "0xa476b59f7dc924423337655b79d65a4c5efd71b50d38f2cf77cee976f1093f39b87fa5b0f2fc8af6dab76ffc00ab508030d4e3a04fb82e5d2e479045ee760084"
}