{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48341",
    "entityType": "User",
    "nonce": "0x3101501d240d88ba4fc727abe76ab5015e2d094ec7a6c7037d8ef308efb857b9",
    "signature": "0x769500ad84e25c202f4bb520ca1c224b354551d0b97e290ecb4b293092cc48061302682fb8896feafe65366556f963f683cb1e8047b6cce3b2796240382344551c",
    "signer": "0x54baF3dc36e7FEBbaD4b09efB20Cc32736eC6d2F",
    "userId": "754550492"
  }
}