{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43309",
    "entityType": "User",
    "nonce": "0x956d7fdfe61871205f54aef8ef1bd4dca0a0bcdf7b6724d29cb933de27589492",
    "signature": "0xbed797aa963334dfbee56bb8b8dcf10dce74a100fa7555b361e37b168e13ab155cf77001c6e4f8710844fc9764bda6ae16599f69cc816956ccb4ca7c923d3bc41b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}