{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2017844",
    "entityType": "User",
    "nonce": "0x2c6d91dcaa045398d5efe6bb7f84db8259fdaa23f0a7a481cbee164616c788c0",
    "signature": "0xefafc7393ae387ab4926dd3c76b3d951fdaadda9e56c9b06be08c8620df260a31b18e4bb7fd29ae5ab8278428bbb7aca783ca8481d650739e7cbfad44d02e68d1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}