Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,553,221",
      "signature": "0xa0dfd32b11096a770c59256996aeaa7f4fa05902766e90fe9d3047243500e60a1fa4a04d066d64a9fa9ee585051fdc1d",
      "randomness": "0x813612580af67cc74209aabd63d47542f6e88c7f3857ec173bf114854c6353c1"
    }
  ],
  "blockNumber": "7,408,641"
}

{
  "Sr25519": "0xb426aef13e715efc974dc46a568eccaad81357b598e6a04e717e09af7308a0357c5dc5d4ae250c930a7c8c9538368a67d4534f2015e3fd698fdca799e4bc6981"
}