{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0fe2e74243e5ec65e731278d1fa52dd9599610f535b9e7a378aa5c21dc47d148",
    "signature": "0xa39977d10c4210bd1716ec572908416babf563e6603db2ca49bdffbd2d45c2bf2d55cfd1593f5dbc49f26b16b58db30c19524902d86cafe2603418e31a2816371b",
    "signer": "0xbCD24d999a10D8B069B85e4Fc11ECEE25e824313",
    "userId": "374991815"
  }
}