{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc0024dc458e7c4fb5f057fc1fa041ec5cc5b37380c21260ab05459bd4b122121",
    "signature": "0x34add79fd88d4f4889346b14d892735af091e9cb2113fc9b81753923f868a6ac23cbecbce26b8a7c754003004d3854beb2de4a47ee1e5e450177aafce2b0442f1b",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}