{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14509",
    "entityType": "User",
    "nonce": "0x8555bb5c2af061bb43c1d25fc546bf89e821af3512a2924e97bb7b19edfdcb3b",
    "signature": "0xc5051309757ff5c2df3973e40764241c67f9b55596885c61e2e330b17abeb5474f801d4e03a8806a32dfdb977a139681d6ec5dfc80675ed4e6117ce17475de991b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}