Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,574,341",
      "signature": "0xb6df74c7049002e582e049391f23cb0950b850546fd40fe8f9d7de9345c4aff21afcce8b2d82093cb4e5deeac80846f0",
      "randomness": "0xa7a593cd140ac243d9f04d9a0313389584e04e66fa713670dbefc6cb4e799ff9"
    }
  ],
  "blockNumber": "7,413,921"
}

{
  "Sr25519": "0xaa255668123671658f89e12565986e007f2bb1da6994683b84dd20e4faf6262055bc645a7a92a9bb8d785ed4ecd09578615c63330587738a4974e8a19227d886"
}