{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd0097dea2182579a5c1bea721212e8c3d6b1bb89630183acc88dfbf51b1f807a",
    "signature": "0x0da9a40f58bbaa280a348d42e7fadda0006b46fced515e0d8c49830e093b409738a34e1016a67847047dc97a4786854ce02069525865bac45d3878020903ea481b",
    "signer": "0x7f3279A535cc14232855318E897d9a7bE8Cb08B1",
    "userId": "992985584"
  }
}