{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159165968",
    "entityType": "User",
    "nonce": "0xc748d42bb34af1ace48db4cec2743ceba81419b9fd162919f5934f505b515c61",
    "signature": "0xa124ca72f23cb9bc9dffe33c315e381e7aadba6885ba88f530eee4202d97ec9132efecd924f514ec482ed0c381b2ef297227b638a554ff0f369d1e69871862bc1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}