{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x338a3a84a5cb4652d4ccb248a64e4ceacf044cdd9167f98aa9563e269a606dc8",
    "signature": "0x60dc90a4da5738b662d57bb41a675266ce7d941c6bb09f8ffafef2991de52f4e44e5404467ba97975acf2a2772bddad27fc55e9f8831359e1c51398275cf52151b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}