{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332490",
    "entityType": "User",
    "nonce": "0xbaf1799622bf213cb9dc32e6a1fa292289018a9080245277bb86bab7fe21e8f8",
    "signature": "0x1e083b50b82d6fcd3fd1facbbe83eb33204ae471f5edf3f343db1acd7ee7896b46b4a4af1357794c0db1b9dace59e14688dc5f82a7d427eb756a2f5fc2b2ae951b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}