{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5562",
    "entityType": "User",
    "nonce": "0x37ed677cd4e966552f49120ce37016e8036f192831f18990cb6b0359cde6b283",
    "signature": "0x1834e86b54c79931a6a441dbce9e5e0f989ee3d77081430318f8f277336c29d9047002606445afc4663a334d56c3f2890b1dd6fd3fdf71f17f677adb3f32957d1c",
    "signer": "0xcb360Fa8b1a8Ad3D85f349a319A39B51451b777f",
    "userId": "173518247"
  }
}