{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb350db10b33c165cf0298dcc77a92ed773ffb098140a24358165a929c1e803cd",
    "signature": "0xf737df30459acf770b7901dc0522e7f1c40ef34223ead48ef5c0912d9b095c1b49ebe45f96e5ae329154cf069ee1ed27b64c6a23cd503ccfb4841079deaf82fb1b",
    "signer": "0x00Bb9677B2A10248e986D61ff1d5295A7DE8BC6e",
    "userId": "834358856"
  }
}