{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765649779",
    "entityType": "User",
    "nonce": "0x5941e4c27073bf7372ebb4def1e46592a06cb1f220d95355127008dc369d99d5",
    "signature": "0x29de35cabbe001b27c7d4008f9ab1fd14e3ffa773f13dfc1cde658d0a072bad7316560c0ffc8f5a6eb3995dd8b84609554f3f39a451761a453fc0d7ed976ed3f1b",
    "signer": "0x06dD6D234Fbcf51687a8D4FfD21e6C49eEfc7a6A",
    "userId": "464103845"
  }
}