{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "785388",
    "entityType": "User",
    "nonce": "0x8769cddd1842ac881893a76634480ca3b3178366f2ea5b945391f2ff71d7e190",
    "signature": "0x0faed28d50effc7459f4f74146385fc0ac17657d9a33f0012bf3ecdf830d2fb74fabb1fb29d5981ea091d81a75e22b43f05d1ec2ccfe7abffa56ac157dfc677d1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}