Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,553,851",
      "signature": "0x89c2eb9be38f062156d2c1596a823ac6a695d821a1ecb2597b348a313729114d24ae6c24e8ad70e967435316043ad8f4",
      "randomness": "0xef111f0b2dc804580524045939e8edcaf070fb1e2eda98bed363b65953e43efc"
    }
  ],
  "blockNumber": "7,408,798"
}

{
  "Sr25519": "0x74b0e66aa18aa671d8e568f1f0a90bbad0e99d0ef9d198848fd18987d1cea756ba8e8d71336db62f039617399fe9a0828a6a0e3038fcb6b30797c769916ee68f"
}