Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,564,692",
      "signature": "0x878f6ad04accf0c024623a1d34b94ee6f6cda8493d1c345b7cb0221d58812b07a92029be1e858e81793de0b1f9530bdb",
      "randomness": "0x771729951bf9e96c1419e3e926373a9ec52ee6d69ad35e4a9aebd5bd78a10a05"
    }
  ],
  "blockNumber": "7,411,509"
}

{
  "Sr25519": "0xc0fde70530b0c325393448643364faef3c27095384f5c185b4ecc452ea404f369599c3f09f2a9680d0c98c88ab51138b9c2ac5c2fa6a00fabae70721ddbd5088"
}