Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,642,487",
      "signature": "0xb473418c8b711afd48378628ded89e1f22ec25be91b991fab9ed13552e4958f4c45047e7715ee20a89e78491a1955f65",
      "randomness": "0x71662659d85343db4897612b15419589a57f415c33f2dde24f8d4fc2eeadb16d"
    }
  ],
  "blockNumber": "7,430,926"
}

{
  "Sr25519": "0x92d7df5a689c16b92f49f45e90dd2f1d06af591b95487d8080c49ce5ad61bf0c14d613950d2fb5dc2fc06c395e85352e40443d9883a32e63efa214f18ad6b382"
}