{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xc8f74f6604ef73d8c63d693638af58c6cfe03b82e30680d8baea4d09d413c18a",
    "signature": "0x1849c0403f6beada6c4936e06c9bd7098c44dc01a2dbb14c4fdcd05e242086705f9b44757a8e5e4b2fa10b91867018342383001cc66874c33a588af231d25b201b",
    "signer": "0x54bed9FCc45710BaB526AaA37Be6d7E22e31d2e8",
    "userId": "555228176"
  }
}