{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfbf82884f7f64ce48c7be95452cca2b51a9ee05db0d1e399600a8f3bdbc92e6d",
    "signature": "0xb759130c91f5e467733667ca88d11a1da39bd06dca81f04cce5e943b4cb989293b3a7881daf6975f4a6487384cb72a6463a36642e3d42649804b7bc37140e7ac1b",
    "signer": "0x066577924521E19882e2104e8f6ceD057252E484",
    "userId": "422787902"
  }
}