{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xef16fd9456e007643a5cdcd9292e41c9b7c182d99ea87dfcbc046ffa4781c7ed",
    "signature": "0x008ad7263d935cfd9d681ffd9c6b751b0d52d0e903174beca0760df8bd53382c3e94563e6afa24c8ee42623363278d7e711849b0b1b5da361d2aade195564eaa1c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}