{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967172",
    "entityType": "User",
    "nonce": "0x3b7816021194ac13656fefd7b1b9a4eaddd6439306e5131f46cd56b4b442d556",
    "signature": "0x79be17a773b9773f459528523b10ee3865f9055a20150125b3188ce2834b805607522ed270778154239695711aef6225b8c83af8fe4ddd937c475b291c694bf01c",
    "signer": "0x0a5876E0Be2cFcE16464311C98B02EE9A29f4Fa0",
    "userId": "741034320"
  }
}