{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0x5827d336e813b8c0804c9504e5c2fcda9b9d74e1b56fa4d17e479b67aa4636f1",
    "signature": "0x594fde75a34d93a9ef89ab0d0acf08fbc72b69443e0b2b278b8f61b2f043af7126b40b3b4b4b973ecab87137122311cf03fedde4b793ab8d8bc1c0f8c8025b7e1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}