{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "801605059",
    "entityType": "User",
    "nonce": "0x9461611ba45e017325e38b073f161a561df46f2b165c554557c1d1bcd5b27cf4",
    "signature": "0xbd5608438b2143e2dd454fc5ca8edd7a90772a29250886c9202143a9953122812c234939d4deeea155cd4d64ba419149062512623954b2c03f7849b311d74e2d1b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}