{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211307",
    "entityType": "User",
    "nonce": "0x5d9ab7635ede819c42cd8047e8b8b6892ff3a143c25a9768cbbe8c1b1d0f9ce1",
    "signature": "0x5c60b8381f7ef8dd59a825c6452e0f7094da93dd2cdee3aee064d21f18ddaa647931f8145cf1897e12a2facf35731e85e758a050008b7cc1d802e17cc14a801a1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}