{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170673",
    "entityType": "User",
    "nonce": "0xaacc8069e5bcdb0034856ed3c0f416e3285b1d70913d9c1c322698c2b98861c1",
    "signature": "0x555b71f2c4e80bef46275dcb6c3961660c910b8d8cfbc79c7d0f4e0b06348c057bb99a60fef4018f1c891e590d7bcb64d874c2df20b3789e668cd80564b91ac01b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}