{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195732",
    "entityType": "User",
    "nonce": "0x1b283320722f5fd4515ee51b681ed9e6ccc7b74ead08945e6cd374f923ab42d9",
    "signature": "0xe3f37f6df7499b416d82512b56565aa808534eff9f61f64774cf8ec92dfa9f8e5447e4aa9dfb2c4d7bfa61b5d873ff265e4001325d83f3399e0ee2c1221b539a1b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}