{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x6660da51c3322cce2d9ace74572c28c789956efde7753dabf4090d2f29b52cd9",
    "signature": "0x3ba76b04eb5ed7fc41d31cb6f7aec9f96fe01ba9d0b537bae82bb8abd9e585f72406550025e6c3f485807819709ed6539675b226f25d72b22bb466f213c14a311b",
    "signer": "0xAEc4BA229696a4DAe2125cD32943943AaCa0CaF4",
    "userId": "354024696"
  }
}