{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "988446830",
    "entityType": "User",
    "nonce": "0x51a3886a9e9a6829f959fb948a5f88f35383f5e2ed452b53168154f4ce6090e7",
    "signature": "0x35b0fadb2cd99d804721d39a2e82ce81b2b97c11bbed3d5662e5cea07bbe2d2237077dcf8eb0a875bbc5d28ec22f29824b1f34f1e7887bae85be0471f5f996471b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}