{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xf5c37139de66fd52cf6b66839bc54eec5daf4eb486e24bfad23956d86ea8ad98",
    "signature": "0x2ebac9af4c2210fd84b3fc8331449cc5a8dc0d4cc0d7f8b864cf82377fc023f93a349cecfa1f8a6289997ff7ee35c54c0f4adaa143a50335a367f9f5beaaa9571b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}