Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,572,616",
      "signature": "0x8f66c709b6590a78c08e91dab803514aa2db96d69283b260c17fb156fff3484898484b1cbf4f95343b2adfe2dd703751",
      "randomness": "0x5fc1bdae859de9c6e0e5194d69e9be907884f2aa58d54a5a97fa0277c62277ab"
    }
  ],
  "blockNumber": "7,413,489"
}

{
  "Sr25519": "0xe266fddcd7466677a1a47b99bac26ff81946296958a309a1484f1b179b0c766b94da918dc8159150b7dc3c287f25e0049bc2ef1e0831500acdaf4832d61e6f8d"
}