{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "750900625",
    "entityType": "User",
    "nonce": "0x119a34fe9366a2118d775af16dcb882e4e9028ecfcf0bbfb2ed80c14b16322c4",
    "signature": "0x83373bad110d5a918362b96566c79d915b3e4700165d798b5fd2ece3d260813070ac67aeea91dc5518be263f526e94a1f7f1182248bf1ed11d4247648ee629951c",
    "signer": "0x20eB8b6fa12092f80327179cAB99A35B40F151d8",
    "userId": "805166336"
  }
}