{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925049268",
    "entityType": "User",
    "nonce": "0x89784e5fd88d88be2a9f3e39cc3a9ebcd56c4076751997b09ae28270706afc93",
    "signature": "0x733d5fb76b4ae04252955f2b1a9983930ee6268296cf028973ea8ed2092cc5d116dced3bbf12acc033e9370aa5db75bb22539bd9ca0cd44c63cae60ff3409c191b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}