{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1460",
    "entityType": "User",
    "nonce": "0xf3b30987307080d1c3fa8a17582a9a6e02d43a03847cd6d480ebd0ece62a4b57",
    "signature": "0x8dcd1f61cf41de65186fc62d57f143581022a579b15af62275bfaf29a451fa8e16d424cfcbd5de528cef4a2d7fab04e582a5c7b4e0e52c44ae5631db3a4691151b",
    "signer": "0x2B4Cb793d60f1A482873aC5cd541E6151143Bc51",
    "userId": "398345"
  }
}