{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "987024554",
    "entityType": "User",
    "nonce": "0xe134780a0f562ae8a4768220f5df47b3b392c335ac942070fe00ebbda4db02fe",
    "signature": "0xd2ccd19672c173e89fa6aae62825f08119e042b580a88898b687641775ec7076619bf06f35d6e8fa2ac8e0ca3c7d76038365423659046bca6b7bd642a0b1fcd41c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}