{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "257431",
    "entityType": "User",
    "nonce": "0x812c3c7363dbcc53f2c5afe0807fcf1e112c6cb7e5eda7e051ed815d99932939",
    "signature": "0x93c7a78cbd3f95feb73ce0d66092b1c6492f81617bd42b97f419c9982984c72b083ae4b9003ea7cef3f2e6bfa4172564c746994f1d761d1bd48d9c53a36beec91c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}