{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15029",
    "entityType": "User",
    "nonce": "0x54cc7a99ab9e4da195e3431ea5050703d9a69ce40b8d753207cf4db6665ab96b",
    "signature": "0x678949b0af9f655fcb7f3e7d4bac30a08df4fa2d861645edf6b895d90ebff31d5d112e87ac8c31340959f2eff9eeace50d1e8806af5c60d661161a896aee14cc1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}