{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5027e70fd470b0caa41a98c8644bacf6ee1ca28d9f25d49629931bc306222fcb",
    "signature": "0x6ca3d577e4dc91b85601c1f96863af3179359053f26558487b0a37d6780da07145a320721b4ee6a4b0379b22d0a217d20e8ed8ea5cd3a44b29f4a85c001d185c1b",
    "signer": "0x36C05EEA0Ca8eA0936bcd9fDAD00eE01c9cCfB58",
    "userId": "713265585"
  }
}