{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27667",
    "entityType": "User",
    "nonce": "0xe2bdb1f163595f9ceb4319bdc930a43ff68495bc68e8fa1393c9b4d0c8766939",
    "signature": "0xf5a0f34aee98d03861630329e1d107537bfe8309f004fc16e7f65db9753a6477416ced35b8758972d8527eb8b1581f1a4d122ee9be297a2aecc0f5f61f2a878f1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}