{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177802",
    "entityType": "User",
    "nonce": "0x2b7b65f5ed559b4a30ffe8318d20d62cf1591c901aef89d2696098acc45c28d4",
    "signature": "0xcc50a2e0fb768b390e28a784b7382053be3aa59052ca1e0741b0e60222322b14170771af7df9a23219cad2d28e51e28825f15cafd0054f1bd5a5d4ea418861bc1b",
    "signer": "0x2d9dE0031960aD6f53e402E622254d2AeBc7307D",
    "userId": "787599159"
  }
}