{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x02dbd8787e7c90cbd201428e10e5f59968755d01670ca327eac5fd1fc06926a1",
    "signature": "0x6f61dcf893df9d9583d18a951d28031526a894b0f74f6f0fe39ad06977b416c75dee7fdabf4a50a210a938e2e5215a2fda33381fb6a44123e4bdd681be75cc891b",
    "signer": "0x5622bB3639acf728C77eEB8E642dDEbA726f5f5E",
    "userId": "361433997"
  }
}