{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "808512351",
    "entityType": "User",
    "nonce": "0xa8092ffa44cab21446674c142acd3d746fd57d499a468bec70a5c8f36b22f9a7",
    "signature": "0x08d8a6ec6ab97bfe860a209e667ae8e8fc85fc4d086051dc46aa3d9dd5474dc00789d9b8dcb9140f586b9a713f848d668e1dcdf2415587eb93b1b94a7b50daa71b",
    "signer": "0x1EEEf459C8e361773166d5681a5066659BC751D5",
    "userId": "210033902"
  }
}