{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3abd41652100a5aef3da822968b90c134683fe31dfdfd01f5d6381478c08ec4d",
    "signature": "0x610b9c500df1ed8f046dc82db4eae5a8836714e6b1308e08e538e9d99fd8f8453cec9c5521e9a4788d7ceee11700cfa3c504483e774ba71e0b1e1b1b7f62c46f1b",
    "signer": "0x2C2de00480394D7353a4AeC1574A9EB3F4B5ca98",
    "userId": "711498293"
  }
}