{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174580",
    "entityType": "User",
    "nonce": "0x0e1b329ff15ec8254a90dacc8a124e7a3872afda3f0b2f9831f75be912506f9b",
    "signature": "0xf10578142720916c06643fad800511f7afb6b1404fbefdabd5bff6df43a894155cf92fff8832adf2a406d011969faf285fe059bf532eec5a7445e590e75d73ed1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}