{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113952",
    "entityType": "User",
    "nonce": "0x3a9542b024dd2210860ba4975927e53676eed856b763ccdaf8d0609f2a36cc84",
    "signature": "0xd0d35a4fbd97ee6a6c4633de2a85cdaab99ba88a730ffc7210fb180910c9f51f053264ee6e6c601248dda731571136860aa093d082d1a00af767403f37bd058f1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}