{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "829862826",
    "entityType": "User",
    "nonce": "0xd363b7fffbb1aaa2aae9978f4b464b3d11a4c74050a9cb6a2fc32467cadec4f8",
    "signature": "0xf8759ee156ce598babaffb3ffaea0c059bee0503f09ed4a94390a13505ea823074f295efb1a9db8148b3900b60d8a113783310d1587270bf46c408ef7170996b1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}