{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "160431",
    "entityType": "User",
    "nonce": "0xc0518590f37a1abcafb46cc5e9ccd228f52db6382e181699582845eed375466a",
    "signature": "0xe258d800f5deed503d73a3ebe4d9dab73db098b43b44dba5bc6a6d5fa9889d9779772ed38f8e9052a30075289a623747a52c8610124f12062bdd0515189fc28b1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}