{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x949c0a72cebc7786f1120464526ba69c9b285c1c3e8d18271e26101eb2533c74",
    "signature": "0x0598c9444a2661a3ff4545c94cb3c60f10506e13014361624dcb57480f4e699d10bbbfe810ca566489885d83381b8712f5bcab9c237c85cca2015d4bc1627e851b",
    "signer": "0x5Af531A9cDF9747df40f57531227d70F1bdD2ed7",
    "userId": "511108744"
  }
}