{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8394",
    "entityType": "User",
    "nonce": "0x37b128bf9d8bfda0fa5e012cd389c9b4ea195c260200f635de0efc5a10d72a9c",
    "signature": "0xc3db71988f222c926f6d2f42f5beab503b2b25971b21d6cde130c97f122171f84542b59d81d533210c14257188b6da9c6f50794279345feabad73282fc7156991c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}