{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65547",
    "entityType": "User",
    "nonce": "0x5bca78522c9a3ea35556711ff99f9dbfff959e76588829de55b7b52e0990c588",
    "signature": "0x28148b0ba8a43d1b47e9b85ed19e31aca18a091845cde057660a505189522e840c61a2816010026b2a64c66696bc3e1fe6217934cd4079947ce7c9994c4a6f181c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}