{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "96890",
    "entityType": "User",
    "nonce": "0xfdfa09ae83789c99b8cf60239090a63d835d48f93ca5a66a278233df8db1e727",
    "signature": "0xb7c3e324ecdfb7a0c4cc6952e30a68987397002dd2b357aac09e019f7593745e2535f48f898f7a710536b673ae1202f801b4a10dc6a7c419d069464902def0111b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}