{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x916a5e02e025ef8820ad5d327d59683783e9750aa1d9b9f66240d6fc9cc16166",
    "signature": "0x771d7301ff664cd2fdc575e5d9521e93b79369bc5893832f5221c4aa415877115eb150ad972b1abfc65318f79e9089cb9a2adcd9c449f33271c333387bc73cc31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}