{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170302",
    "entityType": "User",
    "nonce": "0x5618c137fc7ee80b85a6b13597ef8f1b1555c5f83ab1745e0a1768f0733863f3",
    "signature": "0xe4b22d8f784bf9a6a4de4fb709e9bc95f7cc304ddb1cde74196157be4576787c4638fc25c5804a739fd6493ed88dfd2b09a709ce74612c1acac6db8b7e39a9201c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}