Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,570,214",
      "signature": "0x8b23eac0abeec4fa7e5ef9132aba7123328b571e22080aa107241ee8208e91c2b97f3627606c6d11387ca0abd8b63673",
      "randomness": "0x77636a13c0e29c5d6876d0a1751ead64eb6a5ee1baee707bd15c88cd5a39ed0d"
    }
  ],
  "blockNumber": "7,412,889"
}

{
  "Sr25519": "0x828e5f66ae879a0ae191e104b47dd9b6f71cfcd128a5e0ab9410ffc767c4ff5b9388ce58774da37f12d513e839f191b1b3dd53de8695b6f70b5d4818d296ef86"
}