{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x968c7cf78f83912a6ca83c1604a32fa5f4e47c7073ca42e4de484cbf106a94f1",
    "signature": "0xf0b74999fc1bf22837ab78e9f8aa39715fea3c5f2b925f73f44149e4f9a0717709a3e455e87433ea27f81deabe9e7f3e1690cafb166ac7d98c1b8c8fcdd034e71c",
    "signer": "0x2B6CC627A38edc32Db3Cc7Bec99d7CD6349c68bF",
    "userId": "578692114"
  }
}