{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x559133cf5c8f5039b35c7034842aaeba82294e3a1f771884b8d2ccb3a49e1bd4",
    "signature": "0x6095a14615a2bb6cd2ff6a49d154416ea82b97c68a0591240c3f9fb6a93564b1698b105e437bb083e8c2ce2dc15bd0f128333dc82571c388e8e6d5132599f9691c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}