{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275153742",
    "entityType": "User",
    "nonce": "0xaecaf9730f37bc64b46b44b4f2e6aea7bb88be5929339a157f0fb41dd08ae753",
    "signature": "0x7158f28643ae695ea21cb6d8901c9a66f2fdc362f52aa6395c4a58621bfc8966171abbe8507e5ce358930a439e1214211488165b3583df2791d41077d83109c21c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}