{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x4803b13fdbfcdfc26c45088387914bbe6f4f5c805bb82a18a80295100ef93625",
    "signature": "0xa066477208d46f5455775aa0ed9ea06849bcf9275fcc5d30773537ec68f1c3fe4dce3c6dd73bef64b2b929d6a5f45511950e924baf3739321eee8e020eb04f3c1b",
    "signer": "0x74Ae4eB0871Cd172ed0C881b089a7dF6341F3d20",
    "userId": "486833979"
  }
}