{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357010",
    "entityType": "User",
    "nonce": "0x8b4296bd510665412fcb6a6a0181728ea7d9803df407b26416ee800f86948fd9",
    "signature": "0xcf26d83ce87f0f386ca99152e742f81d178711056e2881b9ea485c05e36c6e06524db0c4f2265ed3cf783b43bcb6d9ab165206b42a0f30f0051ab27e16089ef11c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}