{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa6622bfc4f2e297582e92f8b4f668a7772de8ae7885d106202c46bd9bb207af4",
    "signature": "0x45af3fede44c200102754adb120f8ead8e5dc05df640b12a716c9d9ed11ce3f22c5a76394056cd0fca5a6e270d69d520de26ada624a87fb89008a83b6753bcec1b",
    "signer": "0x09363fe4Ae92d9CF53793A43Da9b2491411c7a6c",
    "userId": "94688171"
  }
}