{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "996338383",
    "entityType": "User",
    "nonce": "0x9e1297e924ac93cea25bdf530c8f9e28bb7989dfc780488531f3230a765ab7d2",
    "signature": "0x707733ad0b6bdec8c98967fd895fdf831ea0e7375fdfd8f6a1f6163c8c1bb546282afa37d5e8a41df9aab37c7fd78e0e2efd87ffc385273b060e69e82ae69c281b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}