{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x6f133bb35ec860bd857d5e1786c655349c9515f11bd99c6e2a30193e658a7d8b",
    "signature": "0x687f51fb3f4a52d401f3f2de69c878656235efced3febb3df5eaae29f01e138f141cb6f5d1421eef14a4679117c0b45805e334d4f6abc77e7f061214262b7a031b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}