{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78483",
    "entityType": "User",
    "nonce": "0x60a4be26f73e242ff3992fe844b8e92c9a73c8f21c7d905ab87762b68dae098c",
    "signature": "0xf119f30359cce0a6a9bd187e7755d7541cda5e9a880580d7c80ec962433bbf8c17150ef22b991e41356a2954f4b276db126ff5f86f1a0eadb38727c4a9eab38b1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}