{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89655",
    "entityType": "User",
    "nonce": "0x893496fd292932b97d3d5aa6d2480b22018b95e55e6165959e626e3ef153dee8",
    "signature": "0x37f920568871efb8699cdac1da6b63812f683bc99f0d5b2d5c73258a3e73eba54795f06c0faaef0654f7d46506eda74a6013f7f77592e9a4d96e2f7cd062045c1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}