{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3014021e652e8a6fdee883f2eb135c771f1e4ed666da92546feca79efe220fcc",
    "signature": "0xe396147e9edacc5a4f1539d80c916e6400ed5a4f99266e8e0c8c3b639c8eeb647cc96b7e7b112a465b75eebb0d7e13b56b2596c02883d79848d86f5c932e45b01c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}