{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0x2a5419c13fc399c1c9a15546efa2f9244f1935d02b7e4746170ac46e82b75da1",
    "signature": "0xfe2af268b93bd278d6a055dfb0599f7612ce7d4a6443cf8c7684e77456c5373f517384f077eb5320611a256959b8adb54560c2d3e7d3d97da79e3ba12c2146f61c",
    "signer": "0x2a14233e1f50922EA23fb817931968707B6A04c0",
    "userId": "727256442"
  }
}