{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208551",
    "entityType": "User",
    "nonce": "0x242a60fd0686e419286cfc10431d5d5c609d92488c5e8f8042f32c84dbd01a04",
    "signature": "0x51a4e9e6984a9a73327e14799c1e9cb8a85afe392a895b71620719bed9dc7d975595c0780ff94571176d80ebd30664a51df197628f12cc213ce16f1fb8c9de1a1b",
    "signer": "0xA38C1a79132B9e85Fca6727527bCad4D8Ed4cf3e",
    "userId": "521925534"
  }
}