{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99368",
    "entityType": "User",
    "nonce": "0x9aef7a52efd4518b9548b0b91f22b2f4047f80d8a47f92d6ce655ab256d7a020",
    "signature": "0x3105b9605ba094907412ea3f376d9c61f4def0c9b5f0a3fabfbded97cefa27fb6e22dcb3a6974164e3bf68636fe59aefe5568ec8f86f3691813d35b45db05c221b",
    "signer": "0x51C747e7437C025eb47a63843f019C0ff2253474",
    "userId": "41804"
  }
}