{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xac43985a5c47def337a258aab5bdd6c3ca9877e772eba89f033ab07eb7bbc9db",
    "signature": "0xd089d0076edd76d90a5c2444d4f8438386a39b730ce4997a7b7111a2cdc335ce440f7ba3b5969956825bea76d7c53795753ce2670c5f62fb8711408cf33844ce1c",
    "signer": "0xc4ED754a5bBD176F596aF6d483c4b0F8A9B72530",
    "userId": "995186910"
  }
}