{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311829956",
    "entityType": "User",
    "nonce": "0x2093241c5f9437425314a1ba69a105da2731d1eeaba011ecf0991545bdcdab98",
    "signature": "0x745033d4adde70e4d9f357b27b6e1f5fa8090d6a14f66439c751391327d2da9e050ab58f088b98d1b45621c1557006033d5f0166c06eb803bf3cfd533b691b251c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}