{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165075",
    "entityType": "User",
    "nonce": "0x191a252c690193eab8d61619abdec433e691c3b27c7dcc9e08c5f3355497227a",
    "signature": "0x35dae213fa83225bc11c7d9290d8e1d5bbc56d8486f89205d88549c4a001e28d0d100f3994263d34010925b844e16f7cf7c45cb7543e34f99ac7b53f11a1e1011c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}