{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7388",
    "entityType": "User",
    "nonce": "0x3ae3d379285d5de1f6578c6451079cd2dddc10cc3011a599c29da4f3305d2f07",
    "signature": "0x23ee50ce4fc8411ad8fa918fe90974b718be2f7584ced21b726d1699551532af4aa6539422f948cb7f3f28aad2cda15732fb6908fb0cbc7f18c1e698acf5d89c1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}