{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125527",
    "entityType": "User",
    "nonce": "0x3bb19dbf31b769d706a8699ebe3492acafe6a356b924a134811df980e70819bb",
    "signature": "0x30e147837a3f253e34a5cf17d657da9a3b6521ddb7d59a41dc3ea8b4e9e363524ad0553d04ad6b52b37960eb74a8ac4b1a53c76e0147a024d7684aaa10b755221b",
    "signer": "0xcF5801beAC04340637889094F04324eB09bf4844",
    "userId": "976132619"
  }
}