{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x789d7bc0f6a8fd82482d456ea52ae99f1c5493ddd36b54d06e33aaeebcf485a6",
    "signature": "0x134e6c5ea0fc604f6843e42ee02349579dea7e675be96707db1f82a2250f97c819bbb28e964ebf243c85125095cfa921b4101ca47ca6d88f55a290c00bf45b3c1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}