{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314842",
    "entityType": "User",
    "nonce": "0xef855f7f2ecf513f7ad00775fafffe1992b25b5a68fd965d4f2d8de84cb6f4f6",
    "signature": "0x311393bb6032451ea997297ab3e0cecd999046f9b262e37261dcd42381db67d34744f15f2fdb9f7b41dfedd5a004f9571a20765e0f7625477cad9f43ae46bbd21b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}