{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16564",
    "entityType": "User",
    "nonce": "0xc2e96363d874eef0645dc6e9d6795d684652f47f0fc2fa9d4403fca10841b31b",
    "signature": "0xeed4f12323f098cfbc6742cc27168d82108e0c4c32cbde02fcb2cc8d7f2dcda91449cbb6ae6483b7bae7731104d43b170668a127e3d1f2c32acda7dcc9464f971b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}