{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfeb252a7265973d0c9ea932f8eb90f3c079e3904b74943a25a9c694b6c8415eb",
    "signature": "0x8ce78437badf63b150437b6ab0fd3db77625a6a035655a1ada49799ba5d712a270cf80163a60ed4adbf290ff3824b7d7a4c0bf18ad61f07bef336fe972c011f11b",
    "signer": "0xdce8AFD41B436C058DC5aCa850f232129F567359",
    "userId": "544327632"
  }
}