{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177802",
    "entityType": "User",
    "nonce": "0x6e7b220618fc00d004000684b2f9ab9e880aa682652aed6e218e9e988e6f0458",
    "signature": "0x886e7c2f071672a0fbcb9adc955cf5a0fbbe83757360cfb3888bff13289a6b4b5375237669c67988ddda73fc6cf7dfe9f07e074cf37206f82abc0c3e3a7ff6341b",
    "signer": "0x2d9dE0031960aD6f53e402E622254d2AeBc7307D",
    "userId": "787599159"
  }
}