Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,616,503",
      "signature": "0xa1a83ceb383b5d5dd97dea9df2b42d04d80e831fe7c20ca1892d825e28caa1dc141f0b8786117097ded97e5c933cadd1",
      "randomness": "0xa7c449b7fe7429a416ef9d06322ac6f03973b63d79b1eef1fdf7c3bc08cf85e0"
    }
  ],
  "blockNumber": "7,424,441"
}

{
  "Sr25519": "0x4c6fc49bfa69e8570e6d5f691f1d7aabf7f23aef21186560ac7f1113dad95b066df8c8fc626200392dd8590da79dc051b129b752ee98065c39fa77a5480ad287"
}