{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29401",
    "entityType": "User",
    "nonce": "0x6da46db19348612538a7840a710ba6183eb8fe30e1564b5d8cc8e8961d6dcb6c",
    "signature": "0x9175f08f2861841ccc08ad62d699cd66aa112c50e1b458c31db0906a838ce01f11123fc2b3d45824adb1b91d3aaca2ef0bcbfa6af17f237bf15632626dd90e1b1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}