{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2154",
    "entityType": "User",
    "nonce": "0x55957daa3ac481c0c62aac699974a58d456b467dc67dddf3e7692e11ef490958",
    "signature": "0x35a5020911fdda91f8dbd7909e136562b9beedce1597f09a028cb6c71b20a599061657bc968bb662cb11ec0b00761cc54503e1d513e5abe81fcef44036cfb9a61b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}