{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x519cd16ceec1c9647d2613cfe9128c7bccff7a4adec99aeb3caea08cdedf25fa",
    "signature": "0x9a1d2f6982d584ee76944848e9ecabee09d5197048448fb198c052a2ba1a8b715a698555f4977405887ef5e2d7f11e2f0a307f3ba945ef558e3c0ff828f3cce91c",
    "signer": "0x3fB3464202dCA960F65e2706E5749EaFc41e4b48",
    "userId": "826685732"
  }
}