{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd635c1b73d0e2006e0aee3ff3ad2fc910d47d56764dceaaf0d879efd697bce9c",
    "signature": "0x7ce5e94b515ea187ab4c3c9317a15c904431c9c2af23259fc62bb4eb7ace1a775b0c82637aad2a1e909cd07f9632464d9b2abe0417920ca43c797193338f4e231b",
    "signer": "0xd20FBbd7D886dc182736160d19691c0f8324E9Ce",
    "userId": "158892902"
  }
}