{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7193",
    "entityType": "User",
    "nonce": "0x2d611812c4393b6e14f51e5f420d9da331c2a192e9f85d7cd94a024e4e4424ce",
    "signature": "0x904ed74385b6a02c51d84eda3ebe4f4084210fc1fe77d594d12a694f0d8c504b3bde4803697cf0387d0be6a1187044ac5e1a917be30e804c5520ab1c162d9f1f1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}