{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "123525",
    "entityType": "User",
    "nonce": "0x6cc1724131fafa37e790ad3fd5a9ca472fa0566f6c78212f4b8533ae7c63760c",
    "signature": "0xcd806f799b1d120ad3377bcce1785b1a1f83e7a380d0824036ccd45fec79ab0014b542693fd94cd0d98fe8e4436a164ca432d3ddf4ff563268941a624ecc46f11c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}