{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326049483",
    "entityType": "User",
    "nonce": "0xfb70a6b2defa4f0d3b98b78c48e4f0ff752cfcde3f148f7e1dc02d8b3c7f1097",
    "signature": "0xffd9e476265a001719ab9562ce8a38c3297b9370b646174e64146ee8410cf861462767096396a7f4082dcb774f6034175df2a2847cd99d21ba3cc616439fc53c1b",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}