{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "875266680",
    "entityType": "User",
    "nonce": "0xfc84782c35df5298fd8722e8f5e2ba133a3dd8892ab1811cef0e61b371cc0993",
    "signature": "0xb02238d93d02280b6cd448a1ddb54b5259c5f0bf1d608e19098a5667e14643f0391e443d6af94e5e554a3370f06bada861ceeac3fea92dae5d4f72ea5e3736541b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}