{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "829862826",
    "entityType": "User",
    "nonce": "0x11690fb9d6ae80cd45ab2e276558f11498f17d28a192aa52c958d5bc1ad8f430",
    "signature": "0x9bae1be8ec540eca74eb6b14a85c8e4cf190af2616beef3d11db728322d9f7d30d5fa23e2a271cbd3df13b9bd0bb23ff94f13ee550b2852f7a2f50cc7fea5eb41c",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}