{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99786",
    "entityType": "User",
    "nonce": "0x00c3d1e6f39dc93b06733ca9ac3d58eb780582db2ffe4a65b33e85611fdc90a4",
    "signature": "0xe8caaca9a6e16f2c00e2c4405a9bb4cc10e71a588c9bad60f88836e8bde8bde87f304f8539bea182408032bc924cab48e9dc9c4d92029358606b7b03b30cb4111c",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}