{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104731",
    "entityType": "User",
    "nonce": "0x5d425e7dc435737b994c049a8fd425a9f1bf5b9b0200f27ff9670aabe75a64c8",
    "signature": "0xf496eb5327c3b41c5a3cc712bf92ec86179358b6bb8d2977f5163c7d33af1d06367896f8c87f901c7a70299943cb63b1117499c66d79f7e57fdefcf9c7ca16df1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}