{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145958",
    "entityType": "User",
    "nonce": "0xcec2abd7008921945638bbb0ff65c3b9885127b2bc5d4f7e93c3680a7d8bc067",
    "signature": "0x6c52f0552cc786da0d4ef5271063c819d8efe91b26ef3db65be37f07bcf502886c05364d5ea57916d5330bf20e7af58027277dafae602fde40ad0a1912b1718f1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}