{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "343",
    "entityType": "User",
    "nonce": "0x206caa7e67cf24327b390b50fc529d4829012061521cdedf4a092456bd5e082d",
    "signature": "0xb54ff579f96e1b1a4e879f977693525651a81886b8f55eb293ff4bba3d774e485f32c1afc154a843907c3c92a86ed3c2c7a54429a8248d0019e13dc2cb956ee21c",
    "signer": "0xF6dFAd3798288a676b065b7A8322D2DdF924f286",
    "userId": "84950389"
  }
}