{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe20830a3c56bc8e40221a7ffe9233c27bbea8221abc51f4015e8995fa2bafedf",
    "signature": "0x30dbff1fabdd61b9934c818e03e41772d673595b2bafe9f60f5a866e8e9297690140deaf14d326fa51494250f8f3e68c06e6d3fa5cd003a96e8f3cb642830bf21c",
    "signer": "0x14b61674DBb63331349B6963490b991E7c568769",
    "userId": "324948380"
  }
}