{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163171",
    "entityType": "User",
    "nonce": "0xdb166384d07bf03b606d0b133cd859a6ae6d1f7c87140c7c1d90206045f367e5",
    "signature": "0x25eb9a9200513a18889a55ba475e1997eb922a2090be4967479fdbbfe17a4c632346bddcac56100c0917c6cf03bb7d1b8d046e9fd9edd2bba9f70d1f43fe64e11b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}