{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1819cb276405430621d6cb23eecefc8b332186263016041a5d823bdcb7a0b96c",
    "signature": "0x6f4c03fbd4fa78178cf45b6f9c8b927352bafe272d9a3915828b469c2e82c3fd304c02e22c27ab86e95d527925911ee40d3769d64a9a46c1cc9b394386543bb71b",
    "signer": "0x9c0E158fd6a79ba8384938c72F34b5D765d2A9Df",
    "userId": "178678516"
  }
}