{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157361",
    "entityType": "User",
    "nonce": "0x1962abbd5aae10b8411fc6dbc887a4b49278ce8f1780e16d76a8fb6fcedeffe1",
    "signature": "0xa4be6522d1c5ec58a5005a99dcfb0307858587f17111faa9a01fffed6721c0ef3bc6c3fb4de3fcdf868746cfc82e0a37dbcba220e34195b7bd37a191624234461b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}