{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125737",
    "entityType": "User",
    "nonce": "0xc5712dc8ac236f20367175da53521dd057aa19fa9ae59a089d76875b30963a34",
    "signature": "0xb8e1a88a0407c138c5669748f47cbc9c27e8a93d4ef4c5914c2986442403ec03623259b9e07656a3f800a3948de96c8f9ab50b9cf31edf264d1bde32b025345b1b",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}