Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,576,455",
      "signature": "0x828c1a40ce1080be76bbbb55e8c54bdbb2129e6d4b42980035a4b0690eba41370fa97be84a65e5ac9eb57800f7e0314a",
      "randomness": "0x92f582b37de726b2a84df69a71f749cd91d8ea08d812a5de586b749dce584c48"
    }
  ],
  "blockNumber": "7,414,449"
}

{
  "Sr25519": "0xca34b4bbf3a09ff9e550f730f43da14bf84a452fbbb20059377d5782d93d061095ecc3639b728dd36c4106aea74951268e73053cc431ac3063ec89cb7e6f5a89"
}