{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33896318",
    "entityType": "User",
    "nonce": "0x1d2d0818cee313a09ca608211fb31e9d6cbfb74c585018b8451ddd9946be8e43",
    "signature": "0x3785eae659f65e2d97adaf8b4da6d85e068dc76f0820d7be1b5e9a72342dfe3d454a694a0c0ed7f5740134bbcb244a60db7e544d9b9ef88cde4a0a985d215fde1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}