{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1c377070bc39aeefab8bc410b392653c50591633782f697636853b77a161a682",
    "signature": "0x7045a221c720b285cfcd519c7a064f988eb2407ec72d588b53d6bd50b95e7e7311961ff0dc523349ab4e1aa6a3cd23f839e1f318ad272e95a7d1d127ecd230001c",
    "signer": "0x3cF3403629aAD571dED750e5ea8E70E158261d07",
    "userId": "557617785"
  }
}