{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x98cefcac9c500d6dd599a947d11cf2848bc8b4207918de35fe29e4b5199ccb43",
    "signature": "0xb3ddb9ac53ee8ab57d70a78285ade40200ab18ecdeb2fc6465f235fd34cba1ad238f8e21470f486848c866c2e95fbb40d2e9c4d0f0db00c37210ed6fdd364f301c",
    "signer": "0xb3f8c2e01Dec7eEC3871e15595d137a279951320",
    "userId": "975346777"
  }
}