{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x47ade1f1454b0c3e2052015fbc8b4f90cce9c11eddd9454a047c5262c6936fa2",
    "signature": "0xc17d32da454ccd8419ba76395e5497fa909227aae89a9c0bb9da601c4b32c5900ccf55270e94b6a85a77b8c0c5fd4aaa7a55f69655b62af8d4201ed92ae707ab1c",
    "signer": "0x3887Ba427ff35Faa1f4a6feA693a23E3A368B71d",
    "userId": "74862939"
  }
}