{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "602",
    "entityType": "User",
    "nonce": "0xe21b82065d2c2f6b152f3ff1d74a7073bef2d9815294cbca28c2442fea249680",
    "signature": "0x7dc088e6ef43ce97c6a1b6200d1e8b3c7514f70b74c13bf539c785da0474e54d011703fee0b29c504d6e3c7ac505c7663ab06590f467615cb08358999ad3eae91c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}