{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "390966",
    "entityType": "User",
    "nonce": "0x8b6bb8cce33862ab7fbed95b99f1f5b6c8510864ce1a09f654063fcd943de4ba",
    "signature": "0xc6c0d1c96f99d1dcaaecb00907c66b75424a2cf8b75e42e8ac6eb399fe55ab1f0f34024970ce4574d4c50b709819b400025f47623950b9e31e75c7c5eed2979a1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}