{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "278974",
    "entityType": "User",
    "nonce": "0xda86260de934ae5b7c49d13786a5b1f11ac03240cf2fa2bd7218a25d064a9552",
    "signature": "0x27a92fd25b71651f0af2907aecfb47ca6a2cb2c3d2d630d24fc74f7def084c4d0c546727d6b497039a20bfe66848eff385fa8835ab4d41419e9d402c7aeb73e31c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}