{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253115526",
    "entityType": "User",
    "nonce": "0x2f6855d5dcc7033b211c2f32b9ba6a98b6e50f695273da4cd03d4f47490140d9",
    "signature": "0xcd6bd3b46d8b5acd62fd11b5e0911abf047f74d11f8986e2f33eb3efe17c04660c8676f1c48d0169d49f085115a43f8ff6f428281c457f44cb2ce107918c3e211c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}