{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x3609dbf851b5acfccbf1ac61fdcbc2de448363748841e232ea925580e4ddf8ab",
    "signature": "0x07fe8debbfd06966d5065f5dc0e9c05a61f4500e779fe0f8093d8e7eef6e252014bf726ccac4abf506dbee8e6ae76b4b7881e4f16c3b361377c41661b46a98841c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}